US Pat. No. 10,091,827

ELECTRONIC APPARATUS, METHOD OF SUPPORTING WIRELESS CONNECTION, IMAGE FORMING APPARATUS, AND METHOD OF WIRELESS CONNECTION

S-PRINTING SOLUTION CO., ...

1. A method of establishing a wireless connection of an image forming apparatus by an electronic apparatus, comprising:performing, by the electronic apparatus:
wirelessly connecting a wireless communicator of the electronic apparatus with an Access Point (AP) of a wireless network;
obtaining AP information of the AP of the wireless network that is necessary for an image forming apparatus to establish the wireless connection with the AP of the wireless network;
searching to identify an image forming apparatus that is not connected to the AP of the wireless network;
in response to identification in the searching of an image forming apparatus that is not connected to the AP of the wireless network, disconnecting the wireless communicator of the electronic apparatus from the AP of the wireless network, to wirelessly connect the wireless communicator of the electronic apparatus with the identified image forming apparatus; and
transmitting, using the wireless communicator of the electronic apparatus connected with the identified image forming apparatus, the obtained AP information to the identified image forming apparatus, to thereby cause the identified image forming apparatus to establish the wireless connection with the AP of the wireless network using the AP information transmitted from the electronic apparatus.

US Pat. No. 9,948,730

SOCIAL NETWORK SYSTEM WITH ACCESS PROVISION MECHANISM AND METHOD OF OPERATION THEREOF

S-PRINTING SOLUTION CO., ...

1. A method of operation of a social network system comprising:generating with a control unit an access combination for grouping a member of a social platform and another member of a different social platform, the social platform and the different social platform each for representing a service or a site for the member and the another member building and reflecting social relations with other person, organization, or a combination thereof;
receiving a service request for accessing a peripheral device revealed based on the access combination through a social graph of one of the social platform, the social graph for representing an existing social relationship between members within the one of the social platform;
determining a request type for matching the service request to a device service provided by the peripheral device;
authorizing the device service through the social graph for accessing the peripheral device; and
generating a service command based on the request type of the device service authorized for executing the device service for the peripheral device.

US Pat. No. 10,073,378

DEVELOPER CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS EMPLOYING THE SAME

S-PRINTING SOLUTION CO., ...

1. A developer cartridge comprising:a housing comprising a developer outlet;
a conveying member to convey a developer in the housing to the developer outlet, and comprising a spiral member rotatably installed in the housing; and
a developer bag to accommodate the developer, be installed in the housing and inserted into the spiral member such that the spiral member circumferentially surrounds the developer bag, and to rotate with the spiral member, the developer bag comprising an opening through which the developer is discharged into the housing.

US Pat. No. 9,738,481

PRINT MEDIUM FINISHING UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

9. An image forming apparatus comprising:
an image forming unit which forms images on print media; and
a print medium finishing unit which receives print media having the images, and post processing the print media,
wherein the print medium finishing unit comprises:
a load part in which print media is loaded;
a stapler which staples print media loaded in the load part while moving along one side end of the print media; and
an arrangement member supporting one side end of the print media and rotatably installed in a moving direction of the stapler,
wherein the arrangement member protrudes toward a moving path of the stapler to rotate between an arrangement position supporting
one side end of the print media and an escape position escaping from the moving path of the stapler by receiving a force from
the moving stapler.

US Pat. No. 9,684,265

DEVELOPING DEVICE TO CHARGE AND MIX TONER AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A developing device configured to develop an electrostatic latent image formed on an image bearing member by feeding a
toner to the electrostatic latent image, the developing device comprising:
a developing frame configured to form an inner space in which a toner and a carrier are mixed as a developer;
a developing roller including an outer periphery to which the developer attaches, the developing roller being configured to
feed the toner included in the developer to the image bearing member; and

an agitator installed in the inner space of the developing frame, the agitator being configured to mix and deliver the toner
and the carrier in a direction parallel to an axial direction of the developing roller,

wherein a plurality of portions stepped inward from a bottom surface of the developing frame and arranged to have respective
bottom surfaces parallel to the axial direction of the developing roller along the bottom surface are provided.

US Pat. No. 9,740,970

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, PRINTING CONTROL TERMINAL DEVICE AND COMPUTER READABLE RECORD MEDIUM

S-PRINTING SOLUTION CO., ...

1. An image forming method using printing data that includes a plurality of strip information including a plurality of images,
respectively, segmented into a plurality of strip regions by rendering at least one page from a file, and that includes unique
information having information on respective number indicators allocated to the plurality of strip information, the image
forming method comprising:
receiving the unique information and the plurality of strip information;
detecting an intended number of the plurality of strip information configuring the page based on the received unique information;
determining whether all of an intended plurality of strip information configuring the page are received by comparing the intended
number of the plurality of strip information with a detected number of the received plurality of strip information; and

performing printing using the plurality of received strip information based on a result of the determining.

US Pat. No. 9,740,475

IMAGE FORMING APPARATUS, MANAGEMENT SYSTEM FOR MANAGING THE IMAGE FORMING APPARATUS, AND INFORMATION PROVIDING METHOD OF THE IMAGE FORMING APPARTUS

S-PRINTING SOLUTION CO., ...

14. An information providing method of an image forming apparatus, the method comprising:
if an application, which includes information corresponding to a management object (MO), is newly installed in the image forming
apparatus, storing, by the image forming apparatus, the application in at least one storage unit of the image forming apparatus;

updating, by the image forming apparatus, information on an object identifier (OID) registered in an agent program in the
at least one storage unit by using an OID of the MO corresponding to the information included in the newly installed application;

receiving, by the image forming apparatus, a request for information designating an OID from a host device in which a manager
program corresponding to the agent program is installed, using a Simple Network Management Protocol (SNMP); and

providing, by the image forming apparatus, the host device with information corresponding to the designated OID by executing
an application corresponding to the designated OID using the agent program.

US Pat. No. 9,740,370

PRINTING CONTROL METHOD, AND APPARATUS AND COMPUTER-READABLE RECORDING MEDIUM THEREOF

S-PRINTING SOLUTION CO., ...

1. A printing control method of a printing control apparatus configured to connect to an image forming apparatus, comprising:
receiving, at the printing control apparatus, a selection of a printing option to be applied to a document;
in response to a favorite printing option being the selection of the printing option:
determining at least one difference value between basic setting values of the image forming apparatus and setting values of
the favorite printing option which include at least one modified value of the basic setting values,

storing the favorite printing option by storing only the at least one difference value in a storage, and
displaying, at the printing control apparatus, information about a method for a preselected printing option;
establishing, at the printing control apparatus, the printing option to be applied to the document according to the displayed
information about the method; and

generating, at the printing control apparatus, printing data according to the established printing option and transmitting
the printing data to the image forming apparatus,

wherein, if the preselected printing option cannot be set with the favorite printing option because the image forming apparatus
is incompatible with the favorite printing option, displaying the information about the method for the preselected printing
option includes displaying an indication that the preselected printing option cannot be set with the favorite printing option.

US Pat. No. 9,660,549

SWITCHING MODE POWER SUPPLY

S-PRINTING SOLUTION CO., ...

1. A switching mode power supply (SMPS) including at least two transformers, the SMPS comprising:
a rectifier configured to rectify an alternating current (AC) voltage;
a first transformer configured to convert the rectified voltage into a first output voltage of the SMPS according to a switching
operation of a first switch;

a second transformer configured to convert the rectified voltage into a second output voltage of the SMPS according to a switching
operation of a second switch;

a first switch controller including a first power voltage terminal configured to control the switching operation of the first
switch;

a power blocker configured to block power supply to the first power voltage terminal according to whether a light signal is
transmitted to the power blocker;

a second switch controller including a second power voltage terminal configured to control the switching operation of the
second switch, the first power voltage terminal being connected to the second power voltage terminal, a connection between
the first power voltage terminal and the second power voltage terminal being a direct connection including the power blocker
without additional switches;

a light emitter configured to emit the light signal to the power blocker according to whether the light emitter receives a
signal indicating a power save mode,

wherein the power blocker is electrically insulated from the light emitter.

US Pat. No. 9,663,447

ASYMMETRIC BUTADIENE-BASED CHARGE TRANSPORT COMPOUND, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CONTAINING SAME, AND IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An asymmetric butadiene-based charge transporting compound represented by one of Formulae (1) and (1?):

wherein Ar1, Ar2, Ar3, and Ar4 are each independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, and R1
is independently a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, a substituted
or unsubstituted aralkyl group, or a substituted or unsubstituted alkyl group.

US Pat. No. 9,665,058

IMAGE FORMING APPARATUS AND CHIP

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
a board to control an image forming job processor; and
an image former to perform an image forming job according to a control by the board, wherein the board comprises a chip including:
a plurality of power connectors to provide power,
a plurality of first signal connectors continuously disposed in an exterior angle of the power connectors, the plurality of
first signal connectors being spaced apart from one another by a first distance,

a plurality of second signal connectors disposed in an exterior angle of the first signal connectors, the plurality of second
signal connectors including a first second signal connector, a second second signal connector, and a third second signal connector
being repeatedly arranged in a same column, the second second signal connector being a nearest second signal connector in
the same column to each of the first second signal connector and the third second signal connector, and being spaced apart
from each of the first second signal connector and the third second signal connectors by two or more times the first distance,
and

a plurality of third signal connectors continuously disposed in an exterior angle of the second signal connectors, the plurality
of third signal connectors being spaced apart from one another by the first distance;

wherein the board comprises a plurality of layers,
the plurality of first signal connectors and the plurality of second signal connectors are disposed in a same first layer
of the board, and

the board is connected to the image former.

US Pat. No. 9,883,543

METHOD OF CONNECTING TO DEVICE AND APPARATUS FOR SUPPORTING WI-FI DIRECT FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method of performing a Wi-Fi Direct connection by a mobile device, the method comprising:
determining, by the mobile device, a first device to which a Wi-Fi Direct connection is to be performed by
determining a current position of the mobile device, and
determining, as the first device, a device adjacent to the determined current position of the mobile device;
determining, by the mobile device, whether the mobile device has been previously Wi-Fi Direct connected to the first device;
and

when the determining whether the mobile device has been previously Wi-Fi Directed connected to the first device determines
that the mobile device has been previously Wi-Fi Direct connected to the first device, performing a Wi-Fi Direct connection
by the mobile device to the first device based on connection information stored in the mobile device when the mobile device
was previously Wi-Fi Direct connected to the first device,

wherein the connection information of devices to which the mobile device has been previously Wi-Fi Direct connected has been
automatically stored in the mobile device.

US Pat. No. 9,802,423

IMAGE FORMING APPARATUS FOR DETERMINING DEFECTS OF LIGHT-EMITTING ELEMENT ARRAY CHIPS

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a plurality of light-emitting element array chips each comprising a light-emitting element array, a transfer element array,
and a data line;

a control driver including:
a plurality of output terminals to output at least one signal to be applied to the plurality of light-emitting element array
chips, and

a check terminal to input at least one signal to analyze at least one signal output from the data line of the plurality of
light-emitting element array chips based on the at least one applied signal, and to determine whether any of the plurality
of light-emitting element array chips are defective by analyzing the at least one signal input at the check terminal;

a resistor connected between an output terminal of the plurality of output terminals of the control driver and a terminal
of the data line of the light-emitting element arrays; and

a comparator connected between the check terminal of the control driver and the terminal of the data line of the light-emitting
element arrays and in parallel with the resistor.

US Pat. No. 9,804,540

FUSING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. A fusing device comprising:
a first heating source including a first heater and a first conductor connected to the first heater;
a second heating source including a second heater and a second conductor connected to the second heater;
a fusing member to be heated by one or more of the first heating source and the second heating source; and
a pressing member disposed to face the fusing member to press a printing medium toward the fusing member,
wherein the first heating source includes a non-heater portion configured to block heat generated from a part of the first
heating source in which a portion of the first heater or a portion of the first conductor are sealed.

US Pat. No. 9,658,563

IMAGE FORMING APPARATUS, CONTROLLING METHOD OF THEREOF AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a photosensitive drum;
an LED Print Head (LPH) configured to emit light to the photosensitive drum based on a sync signal;
an image former configured to perform printing using the LPH;
a sensor configured to sense a cyclical speed of the photosensitive drum; and
an LPH controller configured to adjust a generation gap of the sync signal using the sensed cyclical speed,
wherein the LPH controller generates a line sync signal and page sync signal with the sync signal, and grants an offset only
to the line sync signal, so that a timing of the page sync signal and a timing of the line sync signal do not match each other.

US Pat. No. 9,659,127

ELECTRONIC APPARATUS, METHOD OF OPTIMIZING DE-COUPLING CAPACITOR AND COMPUTER-READABLE RECORDING MEDIUM

S-PRINTING SOLUTION CO., ...

1. An electronic apparatus, comprising:
a user interface to receive an input selecting a plurality of circuit devices;
a storage to store electrical current information and a Scattering parameter (S-parameter) regarding input/output (I/O) ports
of the plurality of circuit devices respectively;

a calculator to calculate impedance per number of de-coupling capacitors based on the stored S-parameters and to calculate
an accumulated noise value per number of the de-coupling capacitors based on the calculated impedance and the electrical current
information; and

a controller to determine a number of the de-coupling capacitors by comparing the calculated accumulated noise values with
a predetermined threshold of a standard accumulated noise, and to control the user interface to display the determined number
of the de-coupling capacitors.

US Pat. No. 10,031,452

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A fixing device through which a recording medium, on which an electrical toner image is recordable, passes through the fixing device, comprising:a fixing belt that is rotatable in a movement direction of the recording medium and comprises an inner circumferential surface and an outer circumferential surface;
a pressure roller to pressure-contact the outer circumferential surface of the fixing belt and to form a fixing nip portion between the pressure roller and the fixing belt to pass the recording medium through the fixing nip portion in the movement direction; and
a contact member located inside the fixing belt and comprising a contact portion to contact the inner circumferential surface of the fixing belt,
wherein the contact portion comprises
a surface having a plate shape surface to face toward the pressure roller, and
a plurality of protrusions that protrude from the plate shape surface toward the pressure roller, and
wherein
a length of the plurality of protrusions in a width direction of the fixing belt is approximately equal to or greater than a distance between adjacent protrusions of the plurality of protrusions in the width direction of the fixing belt, and
the plurality of protrusions are arranged to be spaced apart at regular intervals throughout the plate shape surface.

US Pat. No. 9,983,507

DEVELOPER CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS EMPLOYING THE SAME

S-PRINTING SOLUTION CO., ...

1. A developer cartridge comprising:a developer discharger having a developer outlet to allow developer to exit the developer discharger; and
a container to store the developer and connected to the developer discharger such that the developer moves from the container to the developer discharger, the container including:
a movable member, located in the container, movable inside the container, and
a flexible containing member having a first portion connected to a wall of the container and a second portion connected to the movable member to thereby divide the container into a first area to store the developer and a second area,
wherein
a movement of the movable member inside the container changes a size of the first area and the second area.

US Pat. No. 9,891,687

IMAGE FORMING APPARATUS, SYSTEM-ON-CHIP (SOC) UNIT, AND DRIVING METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A method of driving a system-on-chip (SoC) of an image forming apparatus which is communicatively capable of coupling to
a host device, the method comprising:
separately supplying power to a first power domain located in the SoC and a second power domain located in the SoC, the second
power domain being supplied with power through a different power supply line than the first power domain, where the second
power domain includes a first memory, a second memory, and a data receiver configured to receive data from an external device,
the SoC including a main controller, a sub-controller, the first memory, the second memory, and the data receiver;

performing a control operation, by the sub-controller, using the second memory in a power-saving mode of the SoC;
storing, in a context storage, central processing unit (CPU) context information;
shutting off a power supply to the first power domain when a normal mode of the SoC is changed to the power-saving mode, the
power supply to the first power domain being shut off by the main controller configured to perform another control operation
using the first memory in the normal mode,

when the SoC is changed from the normal mode to the power-saving mode, changing the first memory to a self-refresh mode and
copying the CPU context information, which is lost when shutting off the power supply to the first power domain, into the
context storage of the second power domain;

when the SoC is changed from the power-saving mode to the normal mode, booting the main controller using the CPU context information
stored in the context storage of the second power domain,

wherein the second power domain is supplied with power when in the normal mode and when in the power-saving mode; and
in response to receiving, using the data receiver of the second power domain located in the SoC, a state request signal from
the external device while maintaining the power-saving mode, transmitting state information of the image forming apparatus
to the external device while maintaining the power-saving mode.

US Pat. No. 9,883,070

IMAGE READING APPARATUS AND METHOD OF CONTROLLING THE SAME

S-Printing Solution Co., ...

1. An image reading apparatus comprising:
a communication device;
a scanner configured to generate a scan image by scanning a manuscript; and
at least one processor configured to control the communication device to transmit use information of the manuscript to an
address corresponding to authorship information in response to a preset security pattern including the authorship information
being detected in the generated scan image,

wherein the at least one processor is further configured to perform a security operation only in a period corresponding to
copy restriction period information included in the detected security pattern.

US Pat. No. 9,844,952

IMAGE FORMING APPARATUS FOR DETERMINING DEFECTS OF LIGHT-EMITTING ELEMENT ARRAY CHIPS

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a plurality of light-emitting element array chips each comprising a light-emitting element array, a transfer element array,
and a data line;

a control driver including:
a plurality of output terminals to output at least one signal to be applied to the plurality of light-emitting element array
chips, and

a check terminal to input at least one signal to analyze at least one signal output from the data line of the plurality of
light-emitting element array chips based on the at least one applied signal, and to determine whether any of the plurality
of light-emitting element array chips are defective by analyzing the at least one signal input at the check terminal;

a resistor connected between an output terminal of the plurality of output terminals of the control driver and a terminal
of the data line of the light-emitting element arrays; and

a comparator connected between the check terminal of the control driver and the terminal of the data line of the light-emitting
element arrays and in parallel with the resistor.

US Pat. No. 9,742,937

IMAGE FORMING SYSTEM, METHOD OF CONTROLLING IMAGE FORMING APPARATUS BY USING MESSENGER APPLICATION OF MOBILE DEVICE, AND THE MOBILE DEVICE FOR PERFORMING METHOD

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
at least one hardware processor; and
a non-transitory machine readable storage medium to store a program to be executed by the at least one hardware processor,
wherein the program including executable instructions for:
receiving user identification information of a user through a user interface (UI) panel of the image forming apparatus;
transmitting identification information of the image forming apparatus and the user identification information to a cloud
server;

registering the image forming apparatus to the cloud server by mapping the identification information of the image forming
apparatus and the user identification information; and

if messages from a mobile device inputted through a messenger application of the mobile device are received from the cloud
server, controlling a function of the image forming apparatus based on the messages from the mobile device,

wherein the messenger application executes a chat window in which a first account corresponding to the identification information
of the image forming apparatus and a second account corresponding to the user identification information participate, and

wherein the messages are based on chat messages between the first account and the second account in the chat window.

US Pat. No. 9,732,828

ROTATIONAL DRIVE APPARATUS FOR TRANSMITTING ROTATIONAL FORCE TO A PLURALITY OF DRIVEN GEARS

S-PRINTING SOLUTION CO., ...

1. A power transmission apparatus comprising:
a drive gear disposed on a shaft of a motor;
a plurality of driven gears disposed to be engaged with the drive gear; and
a plurality of driven members configured to receive power from each of the plurality of driven gears,
wherein at least two of the plurality of driven gears are across from each other with an offset angle, which prevents centers
of at least two of the plurality of driven gears from being 180° apart from each other with respect to a center of the drive
gear, so that, when the at least two of the plurality of driven gears are engaged with the drive gear, a gear engagement phase
of each of the at least two of the plurality of driven gears is different.

US Pat. No. 9,720,636

CLOUD PRINT SERVER AND METHOD OF PROVIDING AUTOMATIC CONNECTION SERVICE PERFORMED BY THE CLOUD PRINT SERVER

S-PRINTING SOLUTION CO., ...

1. A method of providing, by a first server and a second server implemented by computing hardware, automatic connection services
for an image forming apparatus among image forming apparatuses, the method comprising:
by the first server,
storing, in at least one memory,
a first mapping of the state information of the image forming apparatus and/or a job for the image forming apparatus, with
identification information of the image forming apparatus; and

by the second server,
storing, in at least one memory,
a second mapping to indicate correspondences of,
identification information of a user,
a condition of the image forming apparatus,
an operation to be performed in response to a trigger of the condition, and
destination information to indicate a destination for the operation to be performed; and
acquiring, from the first mapping, state information of the image forming apparatus and/or the job for the image forming apparatus;
determining whether the acquired state information satisfies a previously stored condition for the image forming apparatus
for the user in the second mapping by searching the second mapping for the state information corresponding to the identification
information of the image forming apparatus that satisfies the previously stored condition for the image forming apparatus;
and

in response to the determining that the acquired state information satisfies the previously stored condition for the image
forming apparatus for the user, triggering an automatic connection service, among the automatic connection services, of the
user to the destination to cause performing a previously stored operation corresponding to the satisfied previously stored
condition in the second mapping by,

transmitting, by the second server to the first server, operation identification indicating the previously stored operation
and the destination information, and

performing, by the first server, the previously stored operation corresponding to the satisfied previously stored condition,
based on the operation identification and the destination information received from the second server.

US Pat. No. 9,709,929

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A fixing device comprising:
a rotatable heating rotator;
a pressing rotator configured to press-contact the heating rotator and to form a nip portion between the pressing rotator
and the heating rotator;

a pressing portion configured to apply pressure to the heating rotator such that the heating rotator press-contacts the pressing
rotator;

a first halogen lamp configured to extend along a rotation axis direction of the heating rotator and to heat the heating rotator;
a second halogen lamp configured to extend along the rotation axis direction of the heating rotator in parallel with the first
halogen lamp and to heat the heating rotator;

a first reflection member configured to extend along a first axis substantially parallel to the first halogen lamp and including
a first reflection unit configured to reflect light irradiated from the first halogen lamp to the heating rotator, the first
reflection unit including a center portion having a higher reflectivity than opposite end portions of the first reflection
unit; and

a second reflection member configured to extend along a second axis substantially parallel to the second halogen lamp and
including a second reflection unit configured to reflect light irradiated from the second halogen lamp to the heating rotator,
the second reflection unit including opposite end portions having a higher reflectivity than a center portion of the second
reflection unit.

US Pat. No. 9,709,937

FIXING APPARATUS AND IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. A fixing apparatus comprising:
a magnetic field generator configured to generate a magnetic field;
a rotor heated due to the magnetic field; and
first and second thermally sensitive magnetic alloys arranged inside the rotor,
wherein a first Curie point that is a Curie point of the first thermally sensitive magnetic alloy is higher than a second
Curie point that is a Curie point of the second thermally sensitive magnetic alloy.

US Pat. No. 9,696,659

DEVELOPMENT APPARATUS AND IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. A developing apparatus comprising:
a first auger for conveying a developer in a first direction;
a second auger extending in parallel to the first auger to convey the developer in a second direction opposite to the first
direction;

an opening for delivering the developer from the first auger to the second auger;
a discharger located in the first direction from the opening to discharge the developer conveyed by the first auger; and
a retention member provided on at least one of the first auger and the second auger and having at least one end in the first
direction provided to substantially correspond to an end of the opening in the first direction to retain the developer conveyed
by the first and second augers.

US Pat. No. 9,658,571

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A developing device comprising:
a photosensitive body on which an electrostatic latent image is formed;
a development chamber;
a development roller that faces the photosensitive body and transfers toner to the electrostatic latent image;
a supply roller that supplies toner in the development chamber to the development roller;
an agitating member disposed under the supply roller in the development chamber, said agitating member being arranged to agitate
the toner that is in the development chamber; and

a toner supply unit that supplies the toner to the development chamber by conveying the toner in a longitudinal direction
that is an axial direction of the development roller,

wherein
the toner supply unit is disposed above the supply roller,
the toner supply unit comprises a supply hole through which the toner conveyed in the longitudinal direction drops into the
development chamber, and

at least a part of a projection of the supply hole in a gravity direction overlaps the supply roller.

US Pat. No. 9,983,838

ROUTING METHOD PERFORMED BY CLOUD PRINTING SYSTEM AND CLOUD SERVER AND SYSTEM FOR PERFORMING THE SAME

S-Printing Solution Co., ...

1. A document routing method performed by a cloud printing system, the method comprising:receiving, by a processor, a request to print a document;
selecting, by the processor based on attributes of the document, one of a plurality of rendering clusters;
selecting, by the processor based on a job performing status of each of a plurality of rendering servers, one of the plurality of rendering servers included in the selected rendering cluster;
transmitting, by the processor, the document to the selected rendering server; and
requesting, by the processor, the selected rendering server to perform rendering on the document.

US Pat. No. 9,860,425

CRUM CHIP AND IMAGE FORMING DEVICE FOR AUTHENTICATION AND COMMUNICATION, AND METHODS THEREOF

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitoring chip (CRUM chip) operable to communicate with an image forming apparatus, the CRUM
chip comprising:
an interface including at least one contact and operable to receive a first data set and first integrity detection data regarding
the first data set from a main controller of the image forming apparatus connecting with the at least one contact of the interface,
the first data set comprising first command data, first data, first CRC data, and first symbol data; and

a controller that is operable to generate second integrity detection data using both a second data set to be transmitted to
the main controller of the image forming apparatus and the first integrity detection data, and to transmit the second data
set and the second integrity detection data to the main controller of the image forming apparatus through the interface, the
second data set comprising second data, second result data, and second CRC.

US Pat. No. 9,826,116

IMAGE FORMING APPARATUS SUPPORTING PEER TO PEER CONNECTION AND METHOD OF PERFORMING IMAGE FORMING OPERATION THEREOF

S-PRINTING SOLUTION CO., ...

1. A method of performing a scanning operation in an image forming apparatus supporting Wi-Fi direct connection, the method
comprising:
receiving a discovery packet from a mobile device;
transmitting a response packet to the mobile device in response to the discovery packet;
transmitting to the mobile device an Internet Protocol (IP) address of a Wi-Fi direct connection interface via a Wi-Fi direct
connection established by using connection information included in the response packet; and

performing a scanning operation, and transmitting scan data to the mobile device in response to a scan request packet, which
is received from the mobile device, the scan request packet having the IP address as a destination.

US Pat. No. 9,807,259

METHOD FOR PROVIDING SERVICE THROUGH SOLUTION SERVER IN SECURITY ENVIRONMENT, AND APPARATUS AND SYSTEM FOR PERFORMING THE SAME

S-PRINTING SOLUTION CO., ...

1. A system for providing a solution service to an image forming apparatus, the system comprising:
a message server configured to communicate with a solution server and an image forming apparatus, a first firewall being provided
between the image forming apparatus and the message server to restrict access from the message server to the image forming
apparatus, and a second firewall being provided between the solution server and the message server to restrict access from
the message server to the solution server,

wherein the message server
receives a job request from the solution server for the image forming apparatus by using a message protocol,
receives a first pull request from the image forming apparatus requesting the message server to transmit the job request,
received from the solution server, to the image forming apparatus, in response to the first pull request from the image forming
apparatus,

receives a job response representing a result of performing the job by the image forming apparatus according to the job request,
the received job response having been converted into a data type of the message protocol,

receives a second pull request from the solution server, and
transmits the received job response to the solution server in response to the second pull request.

US Pat. No. 9,742,787

METHOD AND SYSTEM FOR MANAGING SUSPICIOUS DEVICES ON NETWORK

S-PRINTING SOLUTION CO., ...

1. A method comprising:
by at least one processor:
obtaining at least one suspicious management item information indicating a suspicious status of a device on a network, the
at least one suspicious management item being an information item from among items of a serial number, a count value, and
a firmware version;

setting a suspicious group including at least one suspicious subgroup corresponding to each of the at least one suspicious
management item, wherein the at least one suspicious subgroup is generated by a user based on one or more conditions set by
the user via a user interface when the at least one suspicious management item is obtained;

accessing a plurality of devices on a network and reading information corresponding to the obtained at least one suspicious
management item;

determining whether any of the plurality of devices has a suspicious status based on the read information corresponding to
the obtained at least one suspicious management item;

registering the device, from the plurality of devices, in a suspicious subgroup corresponding to a determined suspicious status
of the device, wherein the registering includes

registering the device in an invalid serial number subgroup when the read information corresponds to an invalid serial number,
registering the device in a negative count value subgroup when the read information corresponds to a negative count value,
and

registering the device in a old version subgroup when the read information corresponds to a previous firmware version;
receiving an input for selecting one of the at least one suspicious subgroup;
updating status information regarding devices of the selected suspicious subgroup in response to obtaining the status information
of the devices of the selected suspicious subgroup by performing at least one of unicasting or multicasting communication;

checking whether a device in the selected suspicious subgroup has an error corresponding to a suspicious management item of
the selected suspicious subgroup and whether the error is resolved by using the updated status information; and

eliminating the device in the suspicious subgroup if the error is resolved.

US Pat. No. 9,743,415

METHOD OF OUTPUTTING CONTENT THROUGH NETWORK, AND APPARATUS AND SYSTEM FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A system for outputting content through a network, the system comprising:
a first server configured to store content received in association with an account of a user; and
a second server configured to obtain the content from the first server, convert the content into output data, and transmit
the output data to an output device,

the first server, the second server, and the output device being included in a secure network,
in response to the second server receiving a request from a mobile terminal of the user to review the content and to output
the content to the output device, the second server configured to determine whether the mobile terminal is included in the
secure network, and

in response to the second server determining the mobile device is not included in the secure network, the second server configured
to convert the content into output data for transmitting the output data to the output device and to transmit a preview which
is other than the content in entirety to the mobile terminal, the preview including at least one of a thumbnail, a summary
file, a partial view, and an abstract of the content, to prevent transmission of the content to outside the secure network
in response to the request from the mobile terminal.

US Pat. No. 9,736,323

METHOD OF USING ADDRESS BOOK OF IMAGE FORMING APPARATUS ON WEB BROWSER AND IMAGE FORMING APPARATUS FOR PERFORMING THE SAME

S-PRINTING SOLUTION CO., ...

1. A method of using an address book of an image forming apparatus, the method comprising:
by at least one hardware processor executing computer-executable instructions stored in at least one storage medium to cause:
controlling the image forming apparatus to generate image data;
receiving web data comprising an input box tagged by at least one form tag;
displaying a web page corresponding to the received web data and including the input box on a display unit of the image forming
apparatus, the display unit configured to selectively display at least one of:

an address list including email addresses or phone numbers, and
a virtual text input device capable of being synchronized with the address list;
receiving a first input selecting the input box tagged by the at least one form tag;
in response to the received first input, analyzing the at least one form tag tagged to the selected input box to determine
whether the selected input box is to receive one of an email address input and a phone number input;

in response to the determining that the selected input box is to receive the one of the email address input and the phone
number input, controlling the display unit to display the at least one of the address list and the virtual text input device;

receiving a second input selecting at least one of the email addresses or the phone numbers included in the address list based
on the displayed at least one of the address list and the virtual text input device;

providing the generated image data for the selected at least one of the email addresses or the phone numbers, such that the
generated image data is sent to the selected at least one of the email addresses or the phone numbers.

US Pat. No. 9,727,745

DATA TRANSMITTING METHOD OF IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS FOR PERFORMING DATA TRANSMITTING METHOD

S-PRINTING SOLUTION CO., ...

1. A method comprising:
by an image forming apparatus:
receiving identification information indicating a destination to which to transmit data by the image forming apparatus;
checking whether a security policy of the image forming apparatus is in a transmission-possible mode in which destinations
to where data is allowed to be transmitted are designated, or a transmission-block mode in which destinations to where data
is not allowed to be transmitted are designated;

when the checking indicates that the security policy is in the transmission-possible mode,
checking stored information indicating the destinations to where data is allowed to be transmitted, to determine whether the
destination indicated by the identification information is included in stored information indicating the destinations to where
data is allowed to be transmitted, and

when it is determined that the destination indicated by the identification information is included in stored information indicating
the destinations to where data is allowed to be transmitted, allowing the image forming apparatus to transmit scan data generated
by the image forming apparatus to the destination indicated by the received identification information;

when the checking indicates that the security policy is in the transmission-block mode,
checking stored information indicating the destinations to where data is not allowed to be transmitted, to determine whether
the destination indicated by the identification information is included in stored information indicating the destinations
to where data is not allowed to be transmitted, and

when it is determined that the destination indicated by the identification information is included in stored information indicating
the destinations to where data is not allowed to be transmitted, preventing the image forming apparatus from setting for transmitting
scan data generated by the image forming apparatus to the destination indicated by the received identification information.

US Pat. No. 9,703,226

CHARGING MEMBER

S-PRINTING SOLUTION CO., ...

1. A charging member comprising:
a conductive support;
a conductive elastomer layer stacked on the conductive support; and
a conductive resin layer stacked on the conductive elastomer layer,
wherein the conductive resin layer comprises:
a matrix material; and
a plurality of particles dispersed in the matrix material,
wherein, the plurality of particles comprise first particles, and
when a thickness of a portion formed of the matrix material alone of the conductive resin layer is referred to as A [?m],
an average particle size of the first particles is referred to as B1 [?m], and an interparticle distance of the particles is referred to as Sm [?m], then

A is in a range of 1.0 ?m to 7.0 ?m,
B1/A is in a range of 5.0 to 30.0, and

Sm is in a range of 50 ?m to 400 ?m.

US Pat. No. 9,696,642

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC IMAGING APPARATUS EMPLOYING THE SAME

S-PRINTING SOLUTION CO., ...

1. An electrophotographic photoreceptor comprising:
a conductive support;
a photosensitive layer disposed on the conductive support; and
a protective layer disposed on the photosensitive layer,
wherein the protective layer comprises:
a photocurable resin matrix, and
a plurality of metal oxide particles surface-treated with a phosphorus-containing compound, and
the phosphorus-containing compound is a polymer comprising:
a phosphorus-oxoacid moiety,
a photo-reactive moiety, and
a lubricative moiety comprising at least one element selected from a group consisting of fluorine and silicon, at side chains.

US Pat. No. 9,696,652

DEVELOPING ROLLER FOR IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An electrophotographic image forming apparatus comprising:
a main body;
a photoreceptor configured to form an electrostatic latent image; and
a developing roller that develops the electrostatic latent image by supplying a toner to the electrostatic latent image;
wherein:
a surface layer of the developing roller includes a plurality of protruding beads and has a surface roughness based on:
a thickness of the surface layer,
a particle size of the plurality of protruding beads, and
an amount of the plurality of protruding beads,
such that the surface layer has the surface roughness corresponding to a glossiness of the surface layer of the developing
roller in a range of 4 to 15, in which a number average distance between the protruding beads is in a range of 200 ?m to 400
?m,

where the glossiness is measured as a relative ratio with respect to 100 which is a glossiness of a surface of glass having
a refractive index of 1.567, with the incident angle of incident light at 60 degrees.

US Pat. No. 9,697,179

METHOD AND APPARATUS FOR INSERTING IMAGE INTO ELECTRONIC DOCUMENT

S-PRINTING SOLUTION CO., ...

1. A method of inserting an image into an electronic document, the method comprising:
by at least one hardware processor:
performing at least one process selected from:
extracting a text as an image format included in image data, the extracted text being within a predetermined distance from
the image included in the image data, and

recognizing at least one attribute of the image as the image format included in the image data;
receiving identification information and setting information of specifying a position in the electronic document where the
image is to be inserted;

determining whether the identification information matches the image in response to matching of at least one of the identification
information to at least one information selected from the extracted text being within the predetermined distance from the
image and the recognized at least one attribute of the image; and

in response to the determining that the identification information matches the image, inserting the image into the electronic
document, according to the setting information.

US Pat. No. 9,694,998

IMAGE READING APPARATUS AND MULTI-FUNCTION APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image reading apparatus, comprising:
a document tray; and
an automatic document feeding unit disposed at an upper side of the document tray to transport documents to pass through the
upper side of the document tray,

wherein the automatic document feeding unit comprises a body; a document supplying tray having a first width corresponding
to a width of a first document to be scanned and at which the first document to be scanned is loaded; and an auxiliary guide
having a second width that is smaller than the first width to correspond to a second document having a width smaller than
the width of the first document and installed at the document supplying tray,

the body comprises a pick-up roller to pick up documents to be scanned; and a mounting unit provided at a lower portion of
the pick-up roller and at which front ends of the documents loaded at the document supplying tray are mounted,

the auxiliary guide comprises a guide portion to support both widthwise sides of the document to be scanned, the guide portion
extending into the mounting unit past a leading edge of the pick-up roller,

the document supplying tray is rotatably installed at the body,
the auxiliary guide is separably installed at the document supplying tray, and
the auxiliary guide is configured to be detached from the document supplying tray when rotating the document supplying tray.

US Pat. No. 9,658,644

CRUM UNIT MOUNTABLE IN CONSUMABLE UNIT OF IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME

S-PRINTING SOLUTION CO., ...

23. A customer replacement unit monitor (CRUM) unit mountable in or on an apparatus, comprising:
a memory configured to store data related to a consumable unit that is consumed by operation of the apparatus;
at least one of a decoder and a power extract circuit to extract power from first clock signals received by the CRUM unit
from the apparatus, the first clock signals being converted inside the CRUM unit into second clock signals which are different
from the first clock signals; and

a processor to manage the memory based on the second clock signals and on data signals received by the CRUM unit from the
apparatus, wherein

the first clock signals are divided into a data section in which data signals are transmitted from the apparatus and received
by the CRUM unit and an idle section in which data signals are not transmitted from the apparatus and received by the CRUM
unit,

the at least one of the decoder and the power extract circuit extracts the power from the clock signals in the idle section,
and

the extracted power is used by at least one of the processor and the memory.

US Pat. No. 9,628,640

METHOD FOR INITIAL SETUP OF IMAGE FORMING APPARATUS USING NEAR FIELD COMMUNICATION AND IMAGE FORMING APPARATUS FOR PERFORMING THE SAME

S-Printing Solution Co., ...

1. An initial setup method of an image forming apparatus using near field communication (NFC), the method comprising:
determining whether an initial setup of the image forming apparatus is needed;
displaying an initial setup menu on a display of the image forming apparatus when the initial setup is determined to be needed;
receiving initial setup data stored in a mobile terminal through NFC by the image forming apparatus when the mobile terminal
is NFC tagged with the image forming apparatus; and

performing the initial setup of the image forming apparatus in accordance with the received initial setup data,
wherein the initial setup data includes value for at least one item which needs to be set in the image forming apparatus,
and

wherein the receiving of the initial setup data comprises:
requesting, by the image forming apparatus, execution of an application for performing initial setup to the mobile terminal,
when the mobile terminal is NFC tagged;

requesting, by the image forming apparatus, the initial setup data stored in the mobile terminal to the application executed
on the mobile terminal; and

receiving, by the image forming apparatus, the requested initial setup data from the application executed on the mobile terminal.

US Pat. No. 9,864,300

CRUM CHIP, IMAGE FORMING DEVICE FOR VERIFYING CONSUMABLE UNIT COMPRISING THE CRUM CHIP, AND METHODS THEREOF

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitoring (CRUM) chip comprising:
a memory to store a detection list including information on counterfeit CRUM chips, serial information, and a conversion serial
information list including pieces of conversion serial information converted from the serial information according to a plurality
of different predetermined rules;

an interface configured to perform communication with a controller installed in an image forming device; and
a central processing unit (CPU) configured to provide the detection list and the conversion serial information list to the
image forming device,

wherein the conversion serial information list further comprises a trigger bit to designate at least one piece of conversion
serial information to be used in verifying among pieces of conversion serial information.

US Pat. No. 9,807,260

METHOD AND DEVICE FOR USING CLOUD PRINT SERVICE

S-PRINTING SOLUTION CO., ...

1. A method of performing a cloud print service using a virtual printer, the method comprising:
by a client device including at least one memory storing computer-readable instructions and a processor executing the instructions,
generating, by the processor, a virtual printer corresponding to a local printer, the local printer being connected to the
client device;

storing, in the memory, information regarding the generated virtual printer;
registering the generated virtual printer with a server which provides the cloud printing service;
receiving a printing request of a content file with the registered virtual printer designated as an output printer;
transmitting, by the processor, the content file to the server when the printing request is received, the transmitted content
file being converted to print data by the server;

determining, by the processor, whether the print data has been received by the registered virtual printer;
when it is determined that the print data has been received by the registered virtual printer from the server, acquiring,
by the processor, the received print data from the registered virtual printer; and

controlling, by the processor, printing of the acquired print data by the local printer by transmitting the acquired print
data to the local printer.

US Pat. No. 9,804,732

METHOD OF CONTROLLING IMAGE FORMING APPARATUS THROUGH USER TERMINAL, AND IMAGE FORMING APPARATUS AND USER TERMINAL FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method comprising:
displaying a popup window on an image forming apparatus to which at least one user terminal is connectable, the displayed
popup window corresponding to an event generated in the image forming apparatus, the displayed popup window having popped
up to thereby cover at least a portion of a graphical user interface (GUI) of the image forming apparatus, wherein:

when no user terminal is connected to the image forming apparatus, the displaying displays the popup window with a previously
set first timeout applied to the popup window so that the displayed popup window disappears after the first timeout to thereby
uncover the at least a portion of the GUI, and

when a user terminal is connected to the image forming apparatus,
the displaying displays the popup window with a previously set second timeout, different from the first timeout, applied to
the popup window so that the displayed popup window disappears after the second timeout to thereby uncover the at least a
portion of the GUI, and

the method further comprises transmitting, by the image forming apparatus to the user terminal, a popup window request to
display, on the user terminal, a popup window corresponding to the event with the second timeout applied to the popup window
displayed on the user terminal.

US Pat. No. 9,772,590

BELT TYPE FIXING APPARATUS AND IMAGE FORMING APPARATUS COMPRISING SAME

S-PRINTING SOLUTION CO., ...

1. A belt type fixing apparatus comprising:
a fixing roller;
a fixing belt disposed to face the fixing roller of the belt type fixing apparatus;
a nip forming member disposed inside the fixing belt, the nip forming member supporting the fixing belt so that the fixing
belt is in contact with the fixing roller to form a fixing nip;

a pair of sliding members rotatably disposed at opposite ends of the fixing belt, respectively,
a sliding member of the pair of sliding members having at least a portion of the sliding member disposed inside the fixing
belt, in an axial direction of the fixing belt and a radial direction of the fixing belt, and at least a portion of the sliding
member disposed outside the fixing belt in the axial direction of the fixing belt, and

the pair of sliding members configured to directly support and rotate with an inner surface of each of the opposite ends of
the fixing belt; and

a pair of flange members configured to rotatably support the pair of sliding members, respectively.

US Pat. No. 10,073,708

SYSTEM AND METHOD OF PROVIDING VISUAL INDICATORS TO MANAGE PERIPHERAL DEVICES

S-PRINTING SOLUTION CO., ...

1. A method of conveying information about peripheral device objects, the method comprising:displaying a plurality of attributes corresponding to state information of one or more of the peripheral device objects;
displaying, simultaneously with displaying the plurality of attributes, a plurality of types of visual indicator appearances as potential appearances of an icon image to be generated, each type of visual indicator appearance being progressively modifiable in an intensity of appearance thereof according to a value of a selected attribute among the plurality of attributes corresponding to state information of the one or more peripheral device objects, wherein each type of visual indicator appearance is displayed according to at least three visual indicator appearance values corresponding to values of the selected attribute among the plurality of attributes corresponding to state information of the one or more peripheral device objects;
receiving a visual indicator selection selecting a type of the visual indicator appearance among the displayed plurality of types of visual indicator appearances and receiving an input selecting an attribute among the plurality of attributes;
creating a selection association between the selected attribute, the visual indicator selection, and the icon image;
retrieving, from the one or more peripheral device objects, a measurement value for the selected attribute for representing the measurement of the selected attribute;
generating the icon image according to the selection association and the retrieved measurement value, such that the appearance of the icon image corresponds to the visual indicator selection progressively modified in intensity to represent the measurement value of the selected attribute; and
displaying the generated icon image.

US Pat. No. 10,048,846

METHOD OF SETTING OPTION WHEN FUNCTION IS PERFORMED BY USING SHORTCUT, AND IMAGE FORMING APPARATUS TO PERFORM THE METHOD

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:a user interface to provide one or more shortcuts, each set to correspond to a specific function of the image forming apparatus, to receive an input to selectively designate a set option in an option setting page displayed on the user interface as a variable option for at least one shortcut, and to receive an input to select a shortcut from the one or more shortcuts;
a memory to store shortcut information about functions corresponding to the one or more shortcuts and options related to the functions;
a job executer to perform a function corresponding to the selected shortcut; and
a controller to control the job executer to perform the function corresponding to the selected shortcut by using the shortcut information stored in the memory,
wherein when the shortcut is selected:
if an option necessary to perform the function corresponding to the selected shortcut exists and is not set, the controller is to control the user interface to display the option setting page to set the option necessary to perform the function corresponding to the selected shortcut,
if the option necessary to perform the function corresponding to the selected shortcut exists and is set, and if the set option is not designated as the variable option, the controller is to control the job executer to perform the function corresponding to the selected shortcut according to the set option without displaying the option setting page,
if the option necessary to perform the function corresponding to the selected shortcut exists and is set, and if the set option is designated as the variable option and the input to select the shortcut is received for a duration of time less than a predetermined duration of time, the controller is to control the job executer to perform the function corresponding to the selected shortcut according to the set option without displaying the option setting page,
if the option necessary to perform the function corresponding to the selected shortcut exists and is set, and if the set option is designated as the variable option and the input to select the shortcut is received for a duration of time equal to or greater than the predetermined duration of time, the controller is to control the user interface to display the option setting page to change the variable option, and
if the option necessary to perform the function corresponding to the selected shortcut does not exist, the controller is to control the job executer to perform the function corresponding to the selected shortcut without displaying the option setting page.

US Pat. No. 10,033,891

HINGE APPARATUS FOR COVER OF IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:a main body including a document glass on which a document can be placed;
a cover to cover and expose an upper side of the document glass; and
a hinge coupling the cover to the main body,
wherein the hinge includes,
a first body movable in an opening in the main body,
a second body including a body portion coupled to the cover and a cam part movably engaging the first body to support pivoting by the hinge of the cover, and
a pair of first protrusions, each protrusion respectively extends from upper portions of a pair of opposing first walls of the first body to interfere with a corresponding pair of opposing first portions of the opening in the main body so as to limit an inserting range of the movable first body into the opening in the main body.

US Pat. No. 9,891,875

HOST DEVICE FOR TRANSMITTING PRINT DATA TO PRINTER AND METHOD OF RENDERING PRINT DATA VIA HOST DEVICE

S-PRINTING SOLUTION CO., ...

1. A host device comprising:
a controller configured to:
generate bitmap image data based on print data;
extract object attribute information from objects forming the print data;
determine a compression method of the bitmap image data based on the extracted object attribute information that corresponds
to the bitmap image data from among a lossless data compression method, a low image quality loss data compression method,
and a high image quality loss data compression method;

compress the bitmap image data using the determined compression method;
convert the compressed bitmap image data and the extracted object attribute information into a format of a printer command
to be processed by a printer; and

a communicator configured to transmit the converted, compressed bitmap image data and the converted object attribute information
to the printer.

US Pat. No. 9,894,218

APPARATUS AND METHOD FOR PROCESSING SCAN DATA IN THE EVENT OF ESD INPUT

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a scanner configured to acquire scan data by scanning a scan target;
an electrostatic discharge (ESD) detector configured to detect an ESD; and
a data processor configured to:
determine an operation state of the scanner, when the ESD is detected, as a calibration operation to acquire reference data
or a real scan operation to acquire scan image data,

delete at least a portion of the scan data which is acquired during the calibration operation upon the determined operation
state of the scanner when the ESD is detected being the calibration operation and reacquire the portion of scan data by rescanning
the scan target and replacing the portion of the scan data deleted, the scan data acquired during the calibration operation
including the reference data, and

generate replacement scan data without requiring the rescanning of the scan target upon the determined operation state of
the scanner when the ESD is detected being the real scan operation, and replace the scan data acquired during the real scan
operation with the generated replacement scan data,

wherein the scan data includes any combination of the reference data and the scan image data.

US Pat. No. 9,804,557

DEVELOPING DEVICE ATTACHABLE TO ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An electrophotographic image forming apparatus comprising:
a main body comprising a connection portion; and
a developing device configured to be attached to and detached from the main body, the developing device including:
a memory unit configured to provide information about the developing device to the main body, and
a contact portion configured to be connected to the main body for connecting the memory unit to the main body;
wherein:
the connection portion is configured to be connected to the contact portion when the developing device is attached to the
main body, and

one of the connection portion and the contact portion is configured to be positioned at:
a first location while the connection portion is not connected to contact portion, where the one of the connection portion
and the contact portion is inclined with respect to an attaching direction of the developing device to the main body, and

a second location while the connection portion is connected to the contact portion and the contact portion is connected to
the main body for connecting the memory unit to the main body, where the one of the connection portion and the contact portion
is in parallel with the attaching direction.

US Pat. No. 9,731,918

ROLLER SEPARATION DEVICE AND IMAGE FORMING APPARATUS USING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a main body having a printer;
a first paper feeder configured to contain a print paper and insertable in or pullable from the main body;
a feed roller in the main body and configured to feed the print paper from the first paper feeder to the printer, the feed
roller comprising a driven roller and a driving roller capable of contacting each other;

an elastic member applying an elastic force to the driven roller in a direction for the driven roller to contact the driving
roller;

a handle member in the main body and movable between a first position and a second position; and
a separation member connected to the handle member and switchable from a normal position not in contact with the driven roller
when the driven roller is in contact with the driving roller to a separation position in contact with the driven roller and
separating the driven roller from the driving roller by pulling the driven roller as the handle member moves from the first
position to the second position,

wherein the handle member is provided in the main body to be slidable to the first position and the second position, and the
separation member is provided in the main body to be pivotable to the separation position and the normal position, and

wherein the separation member comprises a pivot shaft, a pull portion to contact the rotation shaft and separate the driven
roller from the driving roller as the separation member pivots from the normal position to the separation position, and an
accommodation portion on which a rotation shaft of the driven roller is accommodated at the separation position.

US Pat. No. 9,769,185

METHOD AND SYSTEM FOR MANAGING SUSPICIOUS DEVICES ON NETWORK

S-PRINTING SOLUTION CO., ...

1. A method comprising:
by at least one processor:
obtaining at least one suspicious management item information indicating a suspicious status of a device on a network, the
at least one suspicious management item being an information item from among items of a serial number, a count value, and
a firmware version;

setting a suspicious group including at least one suspicious subgroup corresponding to each of the at least one suspicious
management item, wherein the at least one suspicious subgroup is generated by a user based on one or more conditions set by
the user via a user interface when the at least one suspicious management item is obtained;

accessing a plurality of devices on a network and reading information corresponding to the obtained at least one suspicious
management item;

determining whether any of the plurality of devices has a suspicious status based on the read information corresponding to
the obtained at least one suspicious management item;

registering the device, from the plurality of devices, in a suspicious subgroup corresponding to a determined suspicious status
of the device, wherein the registering includes

registering the device in an invalid serial number subgroup when the read information corresponds to an invalid serial number,
registering the device in a negative count value subgroup when the read information corresponds to a negative count value,
and

registering the device in a old version subgroup when the read information corresponds to a previous firmware version;
receiving an input for selecting one of the at least one suspicious subgroup;
updating status information regarding devices of the selected suspicious subgroup in response to obtaining the status information
of the devices of the selected suspicious subgroup by performing at least one of unicasting or multicasting communication;

checking whether a device in the selected suspicious subgroup has an error corresponding to a suspicious management item of
the selected suspicious subgroup and whether the error is resolved by using the updated status information; and

eliminating the device in the suspicious subgroup if the error is resolved.

US Pat. No. 10,073,662

IMAGE FORMING APPARATUS AND METHOD OF RECOVERING ERROR THEREOF

S-Printing Solution Co., ...

1. A method of recovering errors of an image forming apparatus connectable to a server for supporting a service for error recovery of the image forming apparatus, the method comprising:connecting, when connection between the image forming apparatus and the server through a first network is restricted, to a mobile apparatus through a second network different from the first network;
transmitting state information required for error recovery of the image forming apparatus to the connected mobile apparatus through the second network;
receiving a control command required for error recovery of the image forming apparatus from the mobile apparatus through the second network, in response to the transmitted state information;
recovering errors of the image forming apparatus according to the received control command; and
at least one of blocking a specific network port or deactivating a specific function in order to prevent a material stored in the image forming apparatus from being externally exposed,
wherein the control command is received from the server through a third network, in response to state information transmitted to the server by the mobile apparatus through the third network different from the second network.

US Pat. No. 10,048,639

UNIDIRECTIONAL CLUTCH AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS EMPLOYING THE SAME

S-PRINTING SOLUTION CO., ...

1. A unidirectional clutch for an image forming apparatus comprising:a first rotating member including an accommodation portion;
a second rotating member provided on the first rotating member so that the first rotating member and the second rotating member are in line with an axis, the second rotating member including a latch portion; and
a latch member including:
a body accommodated in the accommodation portion, the body pivotable so that a pivot center of the body is changeable within the accommodation portion when pivoting to a locking position or a releasing position, and
a latch arm extended from the body,
the latch member pivotable to the locking position where the latch arm is caught at the latch portion, or to the releasing position where the latch arm is released from the latch portion, according to a rotation direction of the first rotating member,
wherein pivoting of the latch member is caught in the accommodation portion with respect to the first rotating member when the latch member is in the locking position or in the releasing position.

US Pat. No. 9,802,774

IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a main body;
a printing medium supply device configured to supply a printing medium to a first delivery path or a second delivery path;
a feeding roller device provided inside the main body to convey the printing medium upon receiving the printing medium supplied
by the printing medium supply device via the first delivery path or the second delivery path; and

a guide unit including:
a first guide member defining part of a boundary of the first delivery path to thereby guide the printing medium to the feeding
roller device when the printing medium is supplied to the first delivery path, and rotatable in a first direction to open
the first delivery path to thereby provide access to the printing medium when the printing medium is jammed in the first delivery
path, and

a second guide member defining part of a boundary of the second delivery path to thereby guide the printing medium to the
feeding roller device when the printing medium is supplied to the second delivery path, and rotatable, along the first direction,
together with the first guide member to open the second delivery path.

US Pat. No. 9,778,617

PROCESS CARTRIDGE HAVING FIXED AND MOVEABLE ELECTRIC CONTACTS AND ELECTRO-PHOTOGRAPHIC IMAGE FORMING APPARATUS USING THE PROCESS CARTRIDGE

S-PRINTING SOLUTION CO., ...

1. A process cartridge attachable to and detachable from an image forming apparatus, the process cartridge comprising:
a roller;
a sidewall disposed on an axial direction of the roller;
a first cartridge electric contact provided on the sidewall; and
a second cartridge electric contact provided on the sidewall,
wherein one of the first cartridge electric contact and the second cartridge electric contact is a fixed electric contact,
and the other of the first cartridge electric contact and the second cartridge electric contact is a movable electric contact
that is movable in a direction in which the other of the first cartridge electric contact and the second cartridge electric
contact protrudes from the sidewall.

US Pat. No. 9,746,801

CARTRIDGES AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS USING THE SAME

S-PRINTING SOLUTION CO., ...

1. A cartridge attachable to and detachable from a body of an image forming apparatus, the cartridge comprising:
a toner container containing a toner and comprising a toner container stirring member configured to stir the toner in the
toner container;

a developing section connectable to the toner container to receive the toner from the toner container through a supply port
and comprising:

a developing section stirring member configured to stir the received toner in the developing section,
a supply roller configured to receive the toner supplied from the developing section stirring member, and
a developing roller configured to receive the toner supplied from the supply roller;
a first power transmission member coupled to a rotation shaft of the toner container stirring member; and
a second power transmission member configured to engage with the first power transmission member to intermittently rotate
the toner container stirring member based on a rotation of the supply roller,

wherein a rotation ratio of the toner container stirring member to the supply roller is from 5% to 25%.

US Pat. No. 9,746,808

IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a cassette configured to store a printing medium;
a pick-up roller configured to pick up the printing medium stored in the cassette;
a feed roller configured to convey the printing medium picked up by the pick-up roller;
a first shaft connectable to a driving source and at which the feed roller is installed;
a second shaft connectable to the first shaft and configured to receive a driving force and at which the pick-up roller is
installed;

a swing member at which the first shaft and second shaft are installed and configured to be rotated about the first shaft;
a third shaft provided at the swing member, and connectable to the first shaft to receive the driving force; and
a rod clutch configured to selectively transmit the driving force to the third shaft.

US Pat. No. 9,734,338

SYSTEM ON CHIP TO PERFORM A SECURE BOOT, AN IMAGE FORMING APPARATUS USING THE SAME, AND METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A system on chip comprising:
a first memory to store a plurality of decryption keys;
a second memory to store data;
a third memory to store an encryption key setting value;
a CPU to decrypt encrypted data, which is received from an external non-volatile memory, using a decryption key from among
the plurality of decryption keys corresponding to the encryption key setting value, to store the decrypted data in the second
memory, and to perform a boot operation using the decrypted data stored in the second memory;

a first circuit to restrict access to the CPU via an external port during the boot operation,
wherein the CPU counts a number of times that the decryption of the encrypted data fails,
wherein a penalty function is performed when the number of times that the decryption of the encrypted data fails is more than
a threshold,

wherein, when power is switched on, the first circuit outputs a disable signal to disable the access to the CPU, and, when
at least the decryption and authentication of the decrypted data is completed, the first circuit outputs an enable signal
to enable the access to the CPU,

wherein the first circuit comprises a first register, and
wherein, when the at least the decryption and authentication of the decrypted data is completed, the CPU changes a storage
value of the first register;

a second circuit; and
a third circuit to control access to the first memory,
wherein the second circuit comprises a second register, and the third circuit comprises a third register, and
wherein, when the at least the decryption and authentication of the decrypted data is completed, the CPU stores a control
value to disable access to the first memory in the second register, and stores a control value to change the access to the
first memory to access to the second memory in the third register.

US Pat. No. 9,733,588

EXPOSURE DEVICE AND IMAGE FORMING APPARATUS ADOPTING THE SAME

S-PRINTING SOLUTION CO., ...

1. An exposure device comprising:
a substrate on which a plurality of light sources are arranged along a main-scanning direction of the exposure device;
a lens array including a plurality of lenses configured to focus light emitted by the plurality of light sources that are
arranged on the substrate on a scanned surface; and

a housing configured to support the substrate and the lens array such that a certain spacing is maintained between the plurality
of light sources and the plurality of lenses,

wherein at least a portion of the substrate is spaced apart from the housing along a sub-scanning direction of the exposure
device, and

wherein the housing comprises:
a first supporting region configured to support the substrate in the sub-scanning direction of the exposure device; and
a first separation region spaced apart from the substrate in the sub-scanning direction of the exposure device.

US Pat. No. 9,734,113

PERIPHERAL COMPONENT INTERCONNECT EXPRESS (PCI-E) SIGNAL TRANSMISSION APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus having a peripheral component interconnect express (PCI-E) signal transmission function, the
image forming apparatus comprising:
a controller disposed inside the image forming apparatus;
a differential signal transmission cable to connect the controller to a scanning unit using a PCI-E protocol to transceive
data signals using the PCI-E protocol between the controller and the scanning unit; and

wherein the differential signal transmission cable which transmits and receives the data signals using the PCI-E protocol
includes only seven cables, and

wherein the seven cables consist of:
a pair of first data cables which are configured to transmit the data signals, using the PCI-E protocol, and are located beside
each other with no other cable between the pair of first data cables;

a pair of second data cables which are configured to receive the data signals, using the PCI-E protocol, and are located beside
each other with no other cable between the pair of second data cables; and

a ground line which is respectively disposed on one side of the pair of first data cables, between the pair of first data
cables and the pair of second data cables, and on another side of the pair of second data cables.

US Pat. No. 9,723,165

IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
a light emitter configured to radiate light to a recording medium;
a light receiver including a plurality of detectors configured to receive a portion of the light radiated to the recording
medium and to respectively output independent detection results; and

an output determiner configured to determine a change in at least one of a conveying state of the recording medium and a relative
arrangement between the light emitter and the light receiver, according to independent detection results respectively output
by the plurality of detectors,

wherein the light receiver includes at least one of a transmitted light receiver configured to detect an amount of light transmitted
by the recording medium from the light radiated by the light emitter, a specularly reflected light receiver configured to
detect an amount of light specularly reflected by the recording medium from the light radiated by the light emitter, and a
diffusively reflected light receiver configured to detect an amount of light diffusively reflected by the recording medium
from the light radiated by the light emitter.

US Pat. No. 9,709,804

LENS, LIGHT SCANNING UNIT, AND ELECTROPHOTOGRAPHY TYPE IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An electrophotography type image forming apparatus comprising:
a light scanning unit comprising:
a light source to emit a light beam;
a light deflector to deflect the light beam emitted by the light source and scan the deflected light beam in a main scanning
direction;

incidence optics to lead the light beam emitted by the light source to be incident to the light deflector; and
imaging optics to form an image of the light beam deflection-scanned by the light deflector on a surface to be scanned,
wherein
the imaging optics comprise a lens including effective optical surfaces, and
reference indicating portions to measure a decenter of the lens are arranged on the effective optical surfaces;
a developer comprising: a photosensitive body, which is arranged where the image formed by the imaging optics is formed, to
form an electrostatic latent image thereon; and

a developing roller to develop the electrostatic latent image formed on the photosensitive body; and
a transferring unit to transfer an image developed by the developer onto a printing medium,
wherein the lens is formed to extend in the main scanning direction to cover the entire light beam scanned by the light deflector,
wherein the effective optical surfaces comprise an emission surface and an incidence surface of the lens, and the reference
indicating portions comprise at least one first reference point formed on the emission surface and at least one second reference
point formed on the incidence surface of the lens, and

wherein the at least one first reference point and the at least one second reference point are formed at regions of the emission
surface and the incidence surface of the lens other than regions through which the light beam effectively passes.

US Pat. No. 9,701,135

IMAGE FORMING APPARATUS, RECORDING MEDIUM, TERMINAL, SERVER, NOTE PRINTING METHOD, AND STORAGE MEDIUM

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
a housing including an outlet;
a thermal head configured to generate heat and to perform printing on a recording medium;
a platen roller configured to press the thermal head;
a discharge guide unit configured to bend the recording medium so that an elastic force is accumulated in the recording medium,
and

a cutter configured to cut the recording medium in a state where the elastic force is accumulated in the recording medium.

US Pat. No. 9,703,233

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, TONER CARTRIDGE FOR THE SAME, IMAGING CARTRIDGE FOR THE SAME, AND METHOD OF CONTROLLING TONER LEVEL IN DEVELOPING CHAMBER OF THE SAME

S-PRINTING SOLUTION CO., ...

1. A method of adjusting a toner level in a development chamber of an image forming apparatus, the method comprising:
obtaining, by a first toner level detector disposed at a first end portion of the development chamber in an axial direction
of a development roller, a first toner level at the first end portion;

obtaining, by a second toner level detector disposed at a second end portion of the development chamber in the axial direction
of the development roller and at a substantially same height as the first toner level detector, a second toner level at the
second end portion;

supplying toner to the development chamber when at least one of the first and second toner levels is smaller than a first
reference toner level; and

stopping toner supply to the development chamber when at least one of the first and second toner levels is greater than the
first reference toner level.

US Pat. No. 9,661,160

SYSTEM AND METHOD FOR PROVIDING CLOUD PRINTING SERVICE

S-PRINTING SOLUTION CO., ...

1. A method comprising:
performing, by at least one hardware processor of at least one server which executes instructions stored in at least one memory:
establishing a virtual space by execution of an application to provide a user interface representing an electronic sharing
room indicating participation of users of mobile devices and different types of output devices in the electronic sharing room
to request by at least one user among the users transfer and sharing of content uploaded to the electronic sharing room;

receiving, from a mobile device of a user, among the mobile devices of the users, participating in the electronic sharing
room, a request selecting an output device, from among the output devices, participating in the electronic sharing room to
output to the selected output device the content uploaded to the electronic sharing room;

identifying a device type of the selected output device;
converting the content according to the identified device type of the selected output device; and
transmitting the converted content to the selected output device.

US Pat. No. 9,671,714

LIGHT SCANNING UNIT AND IMAGE FORMING APPARATUS EMPLOYING THE SAME

S-PRINTING SOLUTION CO., ...

1. A light scanning unit comprising:
a light source to emit a light beam;
a beam deflector to reflect and scan the light beam emitted from the light source in a main scanning direction;
a beam detecting sensor including
a photo sensor integrated chip (IC) with a light-receiving portion to receive a portion of the light beam reflected and scanned
by the beam deflector, and

terminals connected to the photo sensor IC; and
a circuit board on which the light source and the beam detecting sensor are mounted,
wherein the light source is located on a first surface of the circuit board and emits the light beam, which faces the beam
deflector, that is opposite to a second surface of the circuit board, which faces away from the beam deflector, the beam detecting
sensor being mounted on the second surface of the circuit board.

US Pat. No. 10,075,606

MANAGEMENT SERVER, METHOD OF MANAGING WORKFORM AND EXECUTION START CONDITION AND RECORDING MEDIUM

S-PRINTING SOLUTION CO., ...

1. A management server communicatively connectable to an image forming apparatus, the management server comprising:a user interface to:
receive a plurality of selections of plug-ins, from among a list of plug-ins, each plug-in from among the plug-ins corresponding to a job from among a plurality of jobs performable by the image forming apparatus, and
receive at least one selection of at least one execution condition to control execution of a plug-in corresponding to a job;
a controller to generate a workform including the plug-ins and an order of the plurality of jobs to be performed based on the at least one execution condition by the image forming apparatus; and
a communication interface to:
transmit the generated workform to the image forming apparatus, and
receive execution information regarding executing the transmitted workform by the image forming apparatus, from the image forming apparatus receiving the transmitted workform;
wherein the controller is to, in response to the communication interface receiving the execution information, perform the plurality of jobs included in the generated workform and corresponding to the plug-ins in the order of the plurality of jobs and based on the at least one execution condition, in response to a determination that the received execution information matches with the at least one execution condition to control execution of the plug-in.

US Pat. No. 10,063,719

IMAGE FORMING APPARATUS, GUIDE PROVIDING METHOD THEREOF, CLOUD SERVER, AND ERROR ANALYZING METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:a scanner to scan a document to generate a scan image of the document;
a transceiver to communicate with a server;
a display to display a screen; and
a processor to:
control the display to display a user interface for a user to select an error area of the scan image, the error area containing an error appearing in the scan image as a result of an error of the image forming apparatus,
receive a selection of the error area input using the user interface,
control the transceiver to transmit the generated scan image and the selected error area to the server, and
in response to receiving an error solution guide related to resolving the error of the image forming apparatus from the server, control the display to display the received error solution guide.

US Pat. No. 9,897,951

IMAGE FORMING APPARATUS AND CONTROL METHOD FOR THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
a plurality of fusing rollers that fuse a developer at a printing medium; and
a transporting guide that guides the printing medium being transported toward the plurality of fusing rollers,
wherein the transporting guide is linearly movably installed to move between a first position to guide at least a part of
the printing medium, and a second position spaced apart by a predetermined distance from the first position.

US Pat. No. 9,898,231

SYSTEM AND METHOD OF MOBILE PRINTING USING NEAR FIELD COMMUNICATION

S-Printing Solution Co., ...

1. A method of mobile printing using near field communication (NFC), the method comprising:
receiving, via an NFC module, NFC tag information of an image forming apparatus at a mobile terminal via the NFC;
establishing, via a WiFi unit, a wireless connection with the image forming apparatus using the NFC tag information of the
image forming apparatus; and

transmitting, via the WiFi unit, a fax command selected on a mobile printing application and data to be output as a fax according
to the fax command instructing to output the data as the fax, via the wireless connection.

US Pat. No. 9,888,135

COMPUTING DEVICE AND SYSTEM SUPPORTING PULL PRINTING BY USING MOBILE TERMINAL, AND METHOD OF PERFORMING PULL PRINTING BY USING MOBILE TERMINAL

S-PRINTING SOLUTION CO., ...

1. A computing device supporting pull printing by using a mobile terminal, the computing device comprising:
at least one memory comprising instructions and at least one hardware processor to execute the instructions within the at
least one memory to implement:

a user interface to receive an input to select a print job and a printing method;
a communicator to transmit or receive data; and
a processor to search for a mobile terminal, which is available to function as a server for the pull printing, among a plurality
of mobile terminals if pull printing using the mobile terminal is selected as the printing method, render print data corresponding
to the selected print job into a printable and mobile terminal openable format file, and transmit the rendered print data
and an indicator indicating the pull printing using the mobile terminal is selected as the printing method to the searched
mobile terminal by using the communicator.

US Pat. No. 9,888,146

IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
a body portion;
an image forming unit, disposed in the body portion, configured to print data;
a display having a screen on an upper side of the display facing away from an upper side of the body portion, the upper side
of the display configured to be substantially horizontally disposed based on a paper sheet, and a lower side of the display
being disposed above the body portion so as to be spaced apart from the body portion at a predetermined interval; and

a scan unit, disposed on the lower side of the display, configured to scan the paper sheet disposed on the upper side of the
body portion,

wherein
the display is further configured to display the scanned paper sheet as a document captured by the scan unit.

US Pat. No. 9,880,516

IMAGE FORMING APPARATUS PROVIDED WITH A DEVELOPING UNIT STORAGE PORTION AND A DEVELOPING UNIT MOUNTING PORTION

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
a body;
a feeder unit to feed a recording medium;
a discharging unit to discharge the recording medium out of the body onto a recording medium support part;
a developing unit mounting portion to accommodate a developing unit when the developing unit is used to perform image formation;
and

a developing unit storage portion enclosed within an interior of the body to accommodate the developing unit, separately from
the developing unit mounting portion and spaced apart from a path along which the recording medium is transported from the
feeder unit to the discharging unit, such that the developing unit is unable to perform image formation while accommodated
in the developing unit storage portion,

wherein
the developing unit comprises a photosensitive body to form an electrostatic latent image to be transferred to a transfer
roller of the image forming apparatus disposed adjacent to the photosensitive body, and a developing roller to supply toner
to the photosensitive body, and

the developing unit storage portion is disposed above the feeder unit and below the recording medium support part,
wherein the developing unit is selectively accommodated in one of the developing unit mounting portion and the developing
unit storage portion, and

the photosensitive body of the developing unit is not disposed adjacent to any transfer roller of the image forming apparatus
while the developing unit is accommodated in the developing unit storage portion.

US Pat. No. 9,881,161

SYSTEM ON CHIP TO PERFORM A SECURE BOOT, AN IMAGE FORMING APPARATUS USING THE SAME, AND METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A system on chip comprising:
a first memory to store a plurality of decryption keys;
a second memory to store data;
a third memory to store an encryption key setting value;
a CPU to decrypt encrypted data, which is received from an external non-volatile memory, using a decryption key from among
the plurality of decryption keys corresponding to the encryption key setting value, to store the decrypted data in the second
memory, and to perform a boot operation using the decrypted data stored in the second memory;

a first circuit to restrict access to the CPU via an external port during the boot operation,
wherein the CPU counts a number of times that the decryption of the encrypted data fails,
wherein a penalty function is performed when the number of times that the decryption of the encrypted data fails is more than
a threshold,

wherein, when power is switched on, the first circuit outputs a disable signal to disable the access to the CPU, and, when
at least the decryption and authentication of the decrypted data is completed, the first circuit outputs an enable signal
to enable the access to the CPU,

wherein the first circuit comprises a first register, and
wherein, when the at least the decryption and authentication of the decrypted data is completed, the CPU changes a storage
value of the first register;

a second circuit; and
a third circuit to control access to the first memory,
wherein the second circuit comprises a second register, and the third circuit comprises a third register, and
wherein, when the at least the decryption and authentication of the decrypted data is completed, the CPU stores a control
value to disable access to the first memory in the second register, and stores a control value to change the access to the
first memory to access to the second memory in the third register.

US Pat. No. 9,883,058

METHOD OF CONTROLLING POP-UPS, IMAGE FORMING APPARATUS, AND USER TERMINAL USING THE SAME

S-PRINTING SOLUTION CO., ...

1. A method of controlling a pop-up by using a user terminal that is able to communicate with an image forming apparatus,
the method comprising:
receiving a request of displaying the pop-up for an event detected while performing an operation of the image forming apparatus
in the image forming apparatus;

displaying the pop-up corresponding to the detected event; and
maintaining the pop-up so that the pop-up is not terminated when an interruption occurs due to a function of the user terminal
in the user terminal while displaying the pop-up,

wherein the maintaining of the pop-up comprises maintaining the pop-up by renewing a measured time lapse until a predetermined
set time at which the pop-up is forcedly closed, and

wherein the maintaining of the pop-up comprises maintaining the pop-up by notifying an occurrence of the interruption to the
image forming apparatus so that a control unit of the image forming apparatus renews the measured time lapse when the time
lapse, until the predetermined set time, is measured in the control unit of the image forming apparatus.

US Pat. No. 9,832,340

IMAGE FORMING APPARATUS AND METHOD OF PERFORMING ERROR NOTIFICATION AND ERROR RECOVERY FUNCTIONS IN IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. A method by an image forming apparatus including a plurality of sub-processors for controlling operations of the image
forming apparatus according to operation data to be received from a user, and a main processor to control the plurality of
sub-processors by responding to at least one data packet from the plurality of sub-processors according to the operation data
to be received from the user, the method comprising:
detecting an error of the main processor by at least one sub-processor from among the plurality of sub-processors, by determining
that the main processor does not respond to one of the at least one data packet from the at least one sub-processor within
a predetermined time; and

in response to the detecting the error, by the at least one sub-processor:
deactivating a function of receiving the operation data to be received from the user through a user interface or from an external
network through a network interface of the image forming apparatus;

outputting information about the detected error; and
recovering the image forming apparatus from the detected error by controlling the main processor to:
cause the main processor to reboot, or
cause an application program being executed by the main processor to end followed by re-executing the application program.

US Pat. No. 9,832,347

CRUM CHIP AND IMAGE FORMING DEVICE FOR AUTHENTICATION AND COMMUNICATION, AND METHODS THEREOF

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitoring chip (CRUM chip) operable to communicate with an image forming apparatus, the CRUM
chip comprising:
an interface including at least one contact and operable to receive a first data set and first integrity detection data regarding
the first data set from a main controller of the image forming apparatus connecting with the at least one contact of the interface,
the first data set comprising first command data, first data, first CRC data, and first symbol data; and

a controller that is operable to generate second integrity detection data using both a second data set to be transmitted to
the main controller of the image forming apparatus and the first integrity detection data, and to transmit the second data
set and the second integrity detection data to the main controller of the image forming apparatus through the interface, the
second data set comprising second data, second result data, and second CRC.

US Pat. No. 9,818,947

SEMICONDUCTIVE ROLLER OF AN IMAGE-FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. A semiconductive roller, comprising:
an elastic layer formed of a semiconductive rubber composition including:
about 50 to about 70 parts by weight of a base rubber; and
about 30 to about 50 parts by weight of a hydrin rubber as a copolymer inhibiting forming of migration pathways of free epichlorohydrin,
the hydrin rubber as the copolymer including:

about 20% to about 29.1% epichlorohydrin by weight based on a weight of the hydrin rubber, and
at least one selected from the group consisting of allyl glycidyl ether and ethylene oxide,
wherein the about 20% to about 29.1% epichlorohydrin and the at least one selected from the group consisting of allyl glycidyl
ether and ethylene oxide are copolymerized to have:

a complex viscosity in the range of about 70,000 to about 100,000 Pa·s at 100° C., and
a ??*/?T value of about 250 Pa·s/° C. or less, where
?T is a temperature variation in ° C. when the temperature is changed from 60° C. to 100° C., and
??* is a complex viscosity variation (in Pa·s) when the temperature is changed from 60° C. to 100° C. at an angular frequency
of 1 rad/s,

thereby to inhibit the forming of the migration pathways of the free epichlorohydrin such that an extracted amount of the
free epichlorohydrin from the elastic layer is about 2% by volume or less, where:

the extracted amount of the free epichlorohydrin is determined based on a reduced amount of chlorine (Cl) intensity measured
using X-ray fluorescence (XRF) analysis performed before and after extraction of the free epichlorohydrin from the elastic
layer using tetrahydrofuran (THF), and

the extracted amount of the free epichlorohydrin is calculated using a calibration curve, which is obtained by the XRF analysis,
indicating a correlation between concentrations (in % by volume) of the free epichlorohydrin contained in a plurality of the
THF solutions comprising known different concentrations of the free epichlorohydrin and the corresponding chlorine (Cl) intensities
(in cps/?A) of the plurality of the THF solutions measured by the XRF analysis.

US Pat. No. 9,807,258

PRINT DATA PROCESSING METHOD OF MOBILE DEVICE AND THE MOBILE DEVICE

S-PRINTING SOLUTION CO., ...

1. A mobile apparatus comprising:
a communication unit configured to communicate with an image forming apparatus;
a display configured to display a screen;
a memory configured to store a printing list; and
a controller configured to search for the image forming apparatus using the communication unit, check whether content to be
printed is included in the printing list stored in the memory based on a result of the searching, and control the display
to display notification information on the screen based on a result of the checking, so that the content to be printed is
transmittable to the image forming apparatus using the communication unit based on an input from a user selecting a print
command.

US Pat. No. 9,736,326

IMAGE FORMING APPARATUS AND LOW POWER DRIVING METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
an interface to perform Universal Serial Bus (USB) control communication by using a control signal received from a host device;
a data interface to perform USB data communication by using data received from the host device; and
a controller, connected to the interface and the data interface, to perform an event in a low power mode if a signal is received
from the interface, and to perform an event in a normal mode if a signal is received from the data interface.

US Pat. No. 9,727,210

USER TERMINAL DEVICE FOR SUPPORTING DATA SHARE FUNCTION AND METHODS THEREOF

S-PRINTING SOLUTION CO., ...

7. A method of sharing data of a user terminal device having an operating system (OS) that has a first operation mode for
driving a desktop application and a second operation mode for driving a metro application, the method comprising:
in response to a selection of a data share function for sharing data used by a source application of a plurality of applications
installed in the user terminal device, converting the data into a serialized stream; and

providing the serialized stream to a target application of the plurality of applications,
wherein the user terminal device executes the data share function among the plurality of applications without utilizing a
storage and according to the OS.

US Pat. No. 10,108,139

MOVEABLE MEMBER TO MOVE A PRESSURE ROLLER IN A DIRECTION AWAY FROM A FEEDING ROLLER ACCORDING TO AN OPENING OPERATION OF A DOOR

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:a main body;
a door connected to the main body by a hinge;
a feeding part including a feeding roller to feed paper and a pressure roller to press against the feeding roller by application of an elastic force of an elastic member to form a nip together with the feeding roller; and
a movable member, having a first end connected to the door by the hinge and a second end connected to a shaft, to reduce the elastic force applied to the pressure roller such that when the door is opened the pressure roller and the shaft are moved in a nip releasing direction away from the feeding roller.

US Pat. No. 10,101,687

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS HAVING SAME

S-PRINTING SOLUTION CO., ...

1. A developing apparatus, comprising:a developing roller;
a developing housing which rotatably supports the developing roller and to receive two-component developer;
a first mixing member disposed in the developing housing to mix the two-component developer; and
a second mixing member disposed in the developing housing to be parallel to the first mixing member and adjacent to the developing roller, wherein the second mixing member includes:
a shaft having a circumferential surface,
a spiral wing part formed along the shaft, and
a plurality of ribs formed to protrude from the circumferential surface of the shaft and be aligned along the circumferential surface and encircling the circumferential surface of the shaft.

US Pat. No. 10,091,387

IMAGE FORMING DEVICE SUPPORTING SHORT RANGE WIRELESS COMMUNICATION AND METHOD FOR OPERATING SAME, MOBILE TERMINAL SUPPORTING SHORT RANGE WIRELESS COMMUNICATION AND METHOD FOR OPERATING SAME, AND CLOUD PRINT SYSTEM USING SHORT RANGE WIRELESS COMMUNICATION

S-Printing Solution Co., ...

1. A method for adjusting a sensitivity of a transceiver in a mobile terminal, the method comprising:providing a user interface to adjust the sensitivity of the transceiver to a signal to be received from an image forming apparatus;
receiving a first user input, via the user interface, to select a sensitivity value of the transceiver to the signal to be received; and
adjusting the sensitivity value of the transceiver to the signal to be received based on the received first user input.

US Pat. No. 10,059,025

STAPLING APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A stapling apparatus, comprising:a stapler;
a driver to be coupled to the stapler and to move the stapler; and
a guide part to selectively change a configuration of a moving path so as to define the moving path along which the stapler can be moved by the driver, the guide part including:
a main slot,
first and second branch slots branched from one end portion of the main slot, and
a switching lever to rotate about a shaft so that one end portion of the switching lever selectively opens or closes one side of each of the first and second branch slots connected to the one end portion of the main slot to selectively change the configuration of the moving path, the shaft being disposed at an other end portion of the switching lever.

US Pat. No. 10,018,947

IMAGE FORMING APPARATUS AND FUSER DRIVING CONTROL METHOD

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:a heating roller to be heated using a first heater unit placed in a central area thereof and second heater units placed on both side areas of the first heater unit;
a pressure roller in pressing contact with the heating roller to form a nip;
a first sensor to detect a temperature of a central area of the heating roller;
a second sensor to detect a temperature of a side area of the heating roller; and
a controller to,
individually control the first heater unit according to the temperature of the central area of the heating roller detected by the first sensor and the second heater units according to the temperature of the side area of the heating roller detected by the second sensor, when the temperature of the side area of the heating roller detected by the second sensor is lower than a determined first temperature,
commonly control the first heater unit and the second heater units according to the temperature of the central area of the heating roller detected by the first sensor, when the temperature of the side area of the heating roller detected by the second sensor is equal to or higher than the determined first temperature.

US Pat. No. 9,924,052

METHOD OF CONTROLLING IMAGE FORMING APPARATUS THROUGH USER TERMINAL, AND IMAGE FORMING APPARATUS AND USER TERMINAL FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method comprising:
transmitting, by an image forming apparatus to a user terminal, information regarding an existing job requested by another
user terminal that is waiting to be performed by the image forming apparatus or is being performed by the image forming apparatus;

receiving, by the image forming apparatus from the user terminal, a job reservation request to reserve availability of the
image forming apparatus in performing a job for the user terminal upon request by the user terminal;

transmitting, by the image forming apparatus to the user terminal in response to the job reservation request being received
by the image forming apparatus, a waiting number indicating when the image forming apparatus will be available to perform
a job for the user terminal; and

in response to completion, by the image forming apparatus, of the existing job requested by the another user terminal,
transmitting, by the image forming apparatus to the user terminal, information indicating completion of the existing job requested
by the another user terminal and current availability of the image forming apparatus in performing a job for the user terminal
upon request by the user terminal, and

assigning, by the image forming apparatus, a priority to the user terminal by placing the image forming apparatus on standby,
during which the image forming apparatus maintains the availability of the image forming apparatus in performing a job for
the user terminal upon request by the user terminal while refraining from performing any job requested by another terminal
connected to the image forming apparatus, wherein

while the image forming apparatus is on the standby, the image forming apparatus is configured to transmit job standby information
to other user terminals in response to receiving a request from the other user terminals to transmit the job standby information,
and

the job standby information indicates that the image forming apparatus is currently reserved.

US Pat. No. 9,924,071

CRUM CHIP AND IMAGE FORMING DEVICE FOR AUTHENTICATION AND COMMUNICATION, AND METHODS THEREOF

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitoring chip (CRUM chip) operable to communicate with an image forming apparatus, the CRUM
chip comprising:
an interface including at least one contact and operable to receive a first data set and first integrity detection data regarding
the first data set from a main controller of the image forming apparatus connecting with the at least one contact of the interface,
the first data set comprising first command data, first data, first CRC data, and first symbol data; and

a controller that is operable to generate second integrity detection data using both a second data set to be transmitted to
the main controller of the image forming apparatus and the first integrity detection data, and to transmit the second data
set and the second integrity detection data to the main controller of the image forming apparatus through the interface, the
second data set comprising second data, second result data, and second CRC.

US Pat. No. 9,897,937

DEVELOPMENT CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS USING THE SAME

S-PRINTING SOLUTION CO., ...

1. A development cartridge for an image forming apparatus, the development cartridge comprising:
a photosensitive unit comprising a photosensitive drum;
a developing unit comprising a developing roller configured to contact the photosensitive drum so as to form a development
nip, the developing unit coupled to the photosensitive unit to be rotatable;

a driving gear configured to drive at least one of the developing roller and the photosensitive drum, and configured to rotate
in a first direction or a second direction opposite the first direction;

a driving member positioned coaxially with the driving gear and configured to be rotated by the driving gear;
a first one-way clutch configured to connect the driving member with the driving gear when the driving gear rotates in the
second direction; and

a first moving member configured to be connected to the driving member so as to move between a first location to rotate the
developing unit to form the development nip and a second location to rotate the developing unit to release the development
nip.

US Pat. No. 9,897,957

IMAGE FORMING APPARATUS AND COLOR TONE DENSITY CONTROLLING METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A method of controlling a color-tone density (CTD) of a multi-path type image forming apparatus having an organic photoconductor
(OPC) and including a plurality of developers, the method comprising:
determining whether a multicolor image to be printed on a paper or a plurality of monochrome test patches is to be developed
on the OPC, the multicolor image being an image in which at least two monochrome images of different colors overlap with each
other;

developing the multicolor image or the plurality of monochrome test patches on the OPC based on the determining; and
if the plurality of monochrome test patches are developed, measuring the CTD of the developed plurality of monochrome test
patches, and controlling a development variable using the measured CTDs,

wherein the plurality of developers perform the developing on the OPC according to a first order if the multicolor image is
determined to be developed, and the plurality of developers perform the developing on the OPC according to a second order
that is different from the first order if the plurality of monochrome test patches are determined to be developed.

US Pat. No. 9,897,968

IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
an image forming unit configured to form an image on a print medium; and
a printed medium post-processing unit configured to receive and post-process printed media on which an image forming process
is completed from the image forming unit,

wherein the printed medium post-processing unit selectively comprises one of a first stacker module in which a first amount
of post-processed printed media is able to be loaded, and a second stacker module in which a second amount of post-processed
printed media is able to be loaded,

wherein the first stacker module has a first tray in which a first amount of the post-processed printed media are loadable,
and a first support part configured to support the first tray and detachably mounted on one side of a post-processing module,

wherein the second stacker module has a second tray in which a second amount of the post-processed printed media are loadable,
and a second support part configured to support the second tray and detachably mounted on the one side of the post-processing
module,

wherein the printed medium post-processing unit selectively further comprises one of a transfer module that is separable from
the image forming apparatus and a buffer module that is separable from the image forming apparatus,

wherein when the transfer module is separated from the image forming apparatus, the buffer module is installed in the image
forming apparatus and configured to temporarily store the plurality of printed media, on which the image forming process is
completed in the image forming unit, prior to transfer to the post-processing module, and

wherein when the buffer module is separated from the image forming apparatus, the transfer module is installed in the image
forming apparatus and configured to transfer the printed media, on which the image forming process is completed in the image
forming unit, to the post-processing module,

wherein the image forming apparatus is configured to selectively receive either the buffer module or transfer module in the
same location of the image forming apparatus.

US Pat. No. 9,898,238

PRINTING CONTROL TERMINAL DEVICE CONNECTABLE TO AN IMAGE FORMING APPARATUS HAVING A RESOURCE SAVING MODE AND METHOD FOR PRINTING CONTROL THEREOF

S-PRINTING SOLUTION CO., ...

1. A printing control terminal device connectable to an image forming apparatus, the image forming apparatus having a resource
saving mode which saves any one of an amount of paper and a toner used to print, the device comprising:
a communication interface to receive information regarding the resource saving mode from the image forming apparatus;
at least one processor to:
determine whether or not the image forming apparatus is operating in the resource saving mode based on the received information
regarding the resource saving mode when a printing order from a user of the printing control terminal device to request a
printing operation from the image forming apparatus for a printing work is received,

generate printing data for the printing work, and
control the communication interface to transmit the generated printing data to the image forming apparatus; and
a display to:
display the received information regarding the resource saving mode when the image forming apparatus is determined as operating
in the resource saving mode,

display a user interface window to allow a user to set at least one property value of the resource saving mode before selecting
the resource saving mode, and

display at least one simulated result as at least one of a percentage of paper saved and a percentage of energy saved based
on the at least one property value set by the user,

wherein the at least one property value allowed to be set by the user includes at least one of a double-sided output option,
a downsized printing option, a black and white output option, a toner saving/concentration adjusting option, a printing quality/resolution
option, a batch output option, a blank page deleting option, and a background deleting option, and

wherein at least two printing options are applied during the printing operation in the resource saving mode including at least
a printing option related to a color mode and a printing option related to a quality of printing.

US Pat. No. 9,900,455

METHOD OF SCANNING DOCUMENT AND IMAGE FORMING APPARATUS FOR PERFORMING THE SAME

S-PRINTING SOLUTION CO., ...

1. A method of scanning a document, comprising: obtaining an original image by scanning a document, the document including:
a plurality of selectively identifiable areas having respective images, and at least two pairs of marks, the at least two
pairs of marks including a first pair of marks defining a size of at least one of the selectively identifiable areas and a
second pair of marks defining a size of at least another one of the selectively identifiable areas;

measuring a slope of the original image based on slopes of objects other than the at least two pairs of marks included in
at least one of the selectively identifiable areas;

rotating the original image based on the measured slope; and
after the original image is rotated, detecting the first and second pair of marks included in the rotated original image;
extracting a first image of a first area defined by the detected first pair of marks from the rotated original image and a
second image of a second area defined by the detected second pair of marks from the rotated original image; and

creating a new document file based on at least one of the extracted first and second images.

US Pat. No. 9,885,975

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. A cartridge comprising:
a development chamber having a toner inlet configured to allow toner to be supplied through the toner inlet into the development
chamber;

a development roller in the development chamber;
a supply roller in the development chamber, the supply roller configured to supply toner to the development roller;
a first toner transporting member configured to transport toner supplied through the toner inlet in an axial direction of
the supply roller; and

a toner supply guide that is disposed between the first toner transporting member and the supply roller, the toner supply
guide including:

a body extending in the axial direction and downwardly inclined such that an upper surface of the body at a first axial end
portion thereof, that is configured to receive toner via the toner inlet disposed adjacent to the first axial end portion,
is higher than the upper surface of the body at a second axial end portion thereof, and

a slit, formed in the body and elongated in the axial direction, configured to allow toner to be dropped through the slit
onto the supply roller.

US Pat. No. 9,883,077

IMAGE FORMING APPARATUS AND METHOD OF MANAGING INFORMATION THEREOF

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
a memory to store data including image forming apparatus data and customer data of a first user; and
a user interface unit to receive a second user's request to delete a part of the stored data; and
a controller to delete the customer data from the memory in response to the second user's request.

US Pat. No. 9,883,066

METHOD AND DEVICE FOR PERFORMING PRINTING OPERATION THROUGH COMMUNICATION SERVICE OF IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

1. A communication connection method comprising:
receiving, by a first image forming apparatus, a signal including a data packet from a second image forming apparatus:
the first image forming apparatus having a first connection reference strength level indicating a first connection boundary
from the first image forming apparatus, the first image forming apparatus being configured to be connectable to devices located
within the first connection boundary, and

the second image forming apparatus having a second connection boundary from the second image forming apparatus, the second
image forming apparatus being configured to be connectable to devices located within the second connection boundary;

determining, by the first image forming apparatus, a signal strength of the received signal; and
changing, by the first image forming apparatus, the first connection reference strength level based on the determined signal
strength, so that the first connection boundary of the first image forming apparatus does not overlap with the second connection
boundary of the second image forming apparatus.

US Pat. No. 9,826,117

IMAGE FORMING APPARATUS SUPPORTING WI-FI DIRECT AND METHOD OF ACTIVATING WI-FI DIRECT

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus supporting peer to peer (P2P) connection, comprising:
an image forming device configured to perform an image forming operation;
a user interface configured to receive a user input;
a wireless communication interface configured to connect the image forming apparatus to a mobile device by P2P connection;
a controller configured to set a group owner (GO) setting value, which is related to P2P connection, based on the user input
received through the user interface, and to allow the wireless communication interface to function as an access point (AP)
if the GO setting value is in an on state;

wherein, if the wireless communication interface functions as the AP, the wireless communication interface allows more than
one mobile device to be connected to the image forming apparatus by P2P connection.

US Pat. No. 9,787,870

IMAGE FORMING APPARATUS SUPPORTING PEER TO PEER CONNECTION AND METHOD OF PERFORMING IMAGE FORMING OPERATION THEREOF

S-PRINTING SOLUTION CO., ...

1. A method of performing a scanning operation in an image forming apparatus supporting Wi-Fi direct connection, the method
comprising:
receiving a discovery packet from a mobile device;
transmitting a response packet to the mobile device in response to the discovery packet;
transmitting to the mobile device an Internet Protocol (IP) address of a Wi-Fi direct connection interface via a Wi-Fi direct
connection established by using connection information included in the response packet; and

performing a scanning operation, and transmitting scan data to the mobile device in response to a scan request packet, which
is received from the mobile device, the scan request packet having the IP address as a destination.

US Pat. No. 9,772,832

COMPUTING SYSTEM WITH SUPPORT FOR ECOSYSTEM MECHANISM AND METHOD OF OPERATION THEREOF

S-PRINTING SOLUTION CO., ...

1. A method of operation of a computing system, comprising:
receiving an application ecosystem information identifying an ecosystem to which an application package is related, the application
ecosystem information including an associated application information for linking a first application operating on a first
device and a second application operating on a second device, such that automatic updating of the second application operating
on the second device can be performed when updating of the first application operating on the first device is performed, the
second application having a provider different from the first application and the first device and the second device being
different types of devices, the associated application information including:

a platform filter for designating constraints required by the first application, the second application, or a combination
thereof on a platform to be installed with the first application, the second application, or a combination thereof, the platform
filter including a version of the platform that is required for the application package to be installed in the platform, and

a platform target identification for identifying a platform where the first application, the second application, or a combination
thereof can be installed;

providing a platform information for designating a platform where the first application, the second application, or a combination
thereof can be installed, the platform information including:

a platform identification for identifying the platform,
a platform restriction for defining restrictions for when the platform should be used, and
an application information to describe a content of the first application, the second application, or a combination thereof,
the application information including an ecosystem identification;

associating the first application with the first device and associating the second application with the second device in the
ecosystem, by matching the application ecosystem information from the application ecosystem information with the ecosystem
identification included in the application information, matching the platform filter from the application ecosystem information
with the platform restriction included in the platform information, and matching the platform target identification from the
application ecosystem information with the platform identification included in the platform information;

creating the application package including the application ecosystem information and the platform information based on the
associating, for updating the second application when the first application is updated or vice versa; and

transmitting the application package to the first device thereby providing an update to the first application operating on
the first device based on the application package and thereby automatically providing an update to the second application
operating on the second device when updating of the first application operating on the first device is performed.

US Pat. No. 9,772,982

SYSTEM AND METHOD OF FORMING HELP FILES

S-PRINTING SOLUTION CO., ...

1. An apparatus to form a help file, comprising:
a computer including at least one processor configured to:
activate at least one help page within a compiled help file in response to a request to activate the at least one help page,
to record a path of an external configuration file containing information about a computer application running on a computer
system on the compiled help file,

to transform a format of the external configuration file into a format of the compiled help file by using an internal configuration
file, and

to incorporate the information from the external configuration file to the at least one help page,
wherein the compiled help file includes at least one help page and the internal configuration file contains schemes to transform
the at least one help page.

US Pat. No. 9,731,459

LENS WITH LOW BIREFRINGENCE, METHOD OF FABRICATING THE LENS, AND LIGHT SCANNING UNIT INCLUDING THE LENS

S-PRINTING SOLUTION CO., ...

1. A method of fabricating a lens through an injection molding process, the method comprising:
filling a melted resin into a cavity of an injection mold in a closed position through a gate;
performing a first operation by continuously injecting the resin into the cavity so as to compensate for shrinkage of the
resin cooled in the cavity after the filling of the resin;

maintaining, after a surface of the resin is solidified in the cavity, the injection mold in the closed position and performing
a second operation by reducing a holding pressure of the first operation so as to allow a part of the resin that is not solidified
to backflow from the cavity to the gate; and

performing, before the gate is sealed, a third operation by re-injecting the resin into the cavity so as to compensate for
shrinkage of the resin cooled in the cavity.

US Pat. No. 9,760,046

FIXING DEVICE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A fixing device configured to fix an image to a recording medium, the fixing device comprising:
a fixing belt comprising a film base;
a nip forming member arranged inside the fixing belt;
a pressing member arranged outside the fixing belt to face the nip forming member to form a fixing nip together with the nip
forming member with the fixing belt interposed between the pressing member and the nip forming member to fix the image to
the recording medium; and

a friction reducing sheet or a coating layer at a surface of the nip forming member, to reduce friction between the nip forming
member and the fixing belt.

wherein
the nip forming member has a hardness more than or equal to a hardness of the film base of the fixing belt,
the nip forming member is provided with a through groove through which a lubricant passes toward the fixing belt.

US Pat. No. 9,727,280

MODIFYING GENERIC WORKFORM RECEIVED FROM HOST WITH SPECIFIC INPUT PLUG-IN DATA BASED ON SELECTED CAPABILITY OF WORKFORM PERFORMING DEVICE

S-PRINTING SOLUTION CO., ...

1. A workform performing device connectable to a host device and which performs a job using a workform, the workform performing
device comprising:
a storage configured to store capability information regarding at least one particular capability supported by the workform
performing device that is different than at least one capability of another of a plurality of workform performing devices
also connectable to the host device;

a communicator configured to receive a generic workform transmitted from the host device, the generic workform transmitted
from the host device including a universal input plug-in that is generic to the plurality of workform performing devices inclusive
of the workform performing device connectable to the host device;

a user interface (UI) unit configured to enable a user to select the at least one particular capability from among the capability
information stored in the storage;

a processor configured to adjust the received generic workform transmitted from the host device at the workform performing
device by replacing or modifying at least some of the information in the universal input plug-in, which is generic to the
plurality of workform performing devices connectable to the host device, with specific input plug-in data based on the selected
particular capability, and to perform the job at the workform performing device using the workform that is adjusted at the
workform performing device,

wherein the at least one particular capability selected is at least one of fax data, email data, and scan data, and
wherein the communicator transmits data generated after performing the job to the host device together with the adjusted workform.

US Pat. No. 9,696,783

METHOD OF SENSING CONNECTION OF USB DEVICE IN POWER SAVE MODE AND IMAGE FORMING APPARATUS FOR PERFORMING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:
an external device interface;
a power supply to supply power to the external device interface through a power supply line;
a voltage change detector to output a wake-up signal if a voltage change of the supplied power occurs on the power supply
line; and

a main controller to turn on one or more components of the image forming apparatus based on the outputted wake-up signal from
the voltage change detector.

US Pat. No. 10,139,778

IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING TRANSFER POWER THEREOF

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:a humidity sensor to measure humidity;
a transfer unit to perform an operation to transfer an image on a photoreceptor to a transfer medium;
a power supply to supply transfer power to the transfer unit to output a transfer voltage, by applying a transfer current to the transfer unit; and
a controller to control the transfer power supplied by the power supply to the transfer unit,
wherein, when the transfer unit is to perform the operation to transfer the image, the controller,
applies, during a time period before the transfer unit transfers the image on the photoreceptor, a set sensing current to the transfer unit, and measures a first output voltage of the transfer unit in response to the applied set transfer current to determine a sensing feedback voltage,
determines whether to set a target voltage of the transfer voltage or to set a target current of the transfer current, based on
comparing the determined sensing feedback voltage with a set voltage value, and
comparing the humidity measured by the humidity sensor with a set humidity value,
sets the target voltage based on the determined sensing feedback voltage, when the humidity measured by the humidity sensor is equal to or higher than the set humidity value and the sensing feedback voltage is lower than the set voltage value, and
controls, during a time period in which the transfer medium is inserted into the transfer unit, the power supply to adjust the transfer current to control the transfer voltage to reach the set target voltage.

US Pat. No. 10,139,750

DEVELOPING CARTRIDGE, DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. A developing cartridge that is couplable to an image forming apparatus, the developing cartridge comprising:a developing portion;
a toner storing portion to store toner;
a partition wall formed between the developing portion and the toner storing portion, to block the toner in the toner storing portion from moving to the developing portion, the partition wall having a toner supply section through which the toner in the toner storing portion is supplied to the developing portion;
a first agitating member rotatably disposed in the developing portion; and
a second agitating member rotatably disposed in the toner storing portion,
wherein at least one of the first agitating member or the second agitating member includes an elastic member to be in contact with the partition wall formed to block the toner.

US Pat. No. 10,048,915

METHOD OF PROCESSING WORKFLOW IN WHICH A FUNCTION OF AN IMAGE FORMING APPARATUS AND A FUNCTION OF A MOBILE DEVICE ARE COMBINED AND MOBILE DEVICE FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method of processing a workflow with a mobile device and a first image forming apparatus, the method comprising:executing, by the mobile device, a Bring Your Own Device (BYOD) application installed on the mobile device to provide a BYOD service that allows a user to control functions of the first image forming apparatus remotely from the mobile device;
discovering, via the BYOD application, at least one image forming apparatus that supports the BYOD service and displaying a list that identifies at least one image forming apparatus that supports the BYOD service, the displayed list including the first image forming apparatus;
receiving, from the first image forming apparatus during the discovering, capability information of the first image forming apparatus;
generating, via the BYOD application, a workflow in which a first function supported by the first image forming apparatus and a function of the mobile device are combined, generating the workflow further including setting options regarding the first function supported by the first image forming apparatus according to the capability information received from the first image forming apparatus;
selecting, via the BYOD application, the workflow;
connecting, via the BYOD application, the first image forming apparatus and the mobile device, which are used to process the workflow; and
executing, via the BYOD application, functions included in the workflow based on an order of processing the first function and the function of the mobile device, the order being defined in the workflow.

US Pat. No. 10,051,148

CLOUD SERVER, IMAGE FORMING APPARATUS AND METHOD FOR TRANSMITTING FAX

S-Printing Solution Co., ...

1. A cloud server, comprising:a transceiver to receive, from an electronic device, fax data and a fax transmission request, the fax transmission request including fax address information of an opponent image forming apparatus;
at least one processor to:
determine whether the opponent image forming apparatus is a pre-registered apparatus,
determine a communication network among a plurality of communication networks for communication with the opponent image forming apparatus corresponding to the fax transmission request; when it is determined that the opponent image forming apparatus is the pre-registered apparatus,
control the transceiver to transmit the fax data to the opponent image forming apparatus using the determined communication network when the opponent image forming apparatus is the pre-registered apparatus, and
control the transceiver to transmit the fax data to the opponent image forming apparatus using a public switched telephone network (PSTN) when the opponent image forming apparatus is not the pre-registered apparatus; and
an image processor to:
convert the fax data into a fax format when the determined communication network is the PSTN, and
convert the fax data into a printing format when the determined communication network is an internet network.

US Pat. No. 10,033,903

IMAGE FORMING APPARATUS SUPPORTING NEAR FIELD COMMUNICATION (NFC) FUNCTION AND METHOD OF SETTING AN IMAGE JOB USING NFC DEVICE

S-Printing Solution Co., ...

1. An image forming apparatus supporting a near field communication (NFC) function, the image forming apparatus comprising:a user interface including a display;
an NFC reader/writer to:
tag a user device having the NFC function, and
receive from the tagged user device a message comprising information stored in the tagged user device; and
at least one processor to:
execute an application installed in the image forming apparatus,
display a setting field of the application,
parse an NFC data exchange format (NDEF) message that is received from the tagged user device via the NFC reader/writer,
analyze setting information, regarding the displayed setting field of the application, included in the received NDEF message,
update the displayed setting field of the application by using the analyzed setting information in correspondence with an Application Type field included in a Payload field of the parsed NDEF message, and
execute a function of the application based on the updated setting field.

US Pat. No. 10,012,916

PHOTORECEPTOR FOR ELECTROPHOTOGRAPHY, AND PHOTORECEPTOR CARTRIDGE AND IMAGE FORMING APPARATUS EMPLOYING THE SAME

S-PRINTING SOLUTION CO., ...

1. A photoreceptor for electrophotography comprising:a conductive support, and
a photosensitive layer disposed on the conductive support, the photosensitive layer comprising:
a binder resin,
a charge generating material, and
at least one charge transporting material having a composition represented by the following Chemical Formula 1:

wherein:
Ar1 and Ar2 are each independently
an alkyl group having 1 to 10 carbon atoms, or
an aryl group having 6 to 18 carbon atoms which is substituted or unsubstituted with a halogen atom,
R1 to R5 are each independently a halogen atom or an alkyl group having 1 to 10 carbon atoms,
a is an integer of 0 to 2, and
b to e are each independently an integer of 0 to 3.

US Pat. No. 9,958,827

IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING FUSER

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:a fuser configured to fuse a print sheet having a surface on which toner is developed, the fuser including a heating element; and
a fuser driver configured to supply the heating element included in the fuser with an alternating current (AC) power externally supplied from a power source, so as to enable the fuser to fuse the print sheet at a preset target temperature,
wherein the fuser driver is further configured to control the number of waveforms hours of the AC power supplied to the heating element by varying a control cycle of the fuser according to a temperature of the fuser.

US Pat. No. 9,961,229

IMAGE FORMING APPARATUS SUPPORTING NEAR-FIELD COMMUNICATION (NFC) FUNCTION, AND METHOD OF PREVIEWING SCAN DATA OF IMAGE FORMING APPARATUS ON MOBILE TERMINAL

S-Printing Solution Co., ...

1. An image forming apparatus comprising:a scanner to generate scan data by scanning a document;
a transceiver to:
transmit the scan data to a server, and
receive access information for accessing a preview image of the scan data stored in the server from the server;
a near-field communication (NFC) transceiver to
tag a mobile terminal on which the preview image is to be displayed through NFC, and
transmit the access information for accessing the preview image of the scan data stored in the server when the mobile terminal tags an NFC tag of the image forming apparatus; and
at least one processor.

US Pat. No. 9,930,211

IMAGE ACQUISITION APPARATUS AND IMAGE FORMING APPARATUS

S-PRINTING SOLUTION CO., ...

12. An image acquisition apparatus comprising:a stage having a support surface configured to support an object;
a rotational body configured to rotate above the stage about a rotation axis perpendicular to the support surface; and
at least one main camera module installed at an eccentric position with respect to the rotation axis of the rotational body and configured to acquire a plurality of partial images of the object by photographing portions of the object supported on the stage respectively corresponding to different rotational positions of the rotational body,
wherein at least a portion of each partial image of the plurality of partial images acquired by the at least one main camera module overlaps another partial image of the plurality of partial images.

US Pat. No. 9,921,529

METHOD OF CONTROLLING FUSER WITH FUSER CONTROLLER AND MAIN CONTROLLER AND IMAGE FORMING APPARATUS INCLUDING THE FUSER CONTROLLER AND THE MAIN CONTROLLER

S-PRINTING SOLUTION CO., ...

1. A method of controlling a fuser of an image forming apparatus, the method comprising:
applying power to the image forming apparatus; and
controlling, by a fuser controller, the power applied to the image forming apparatus to be applied to the fuser until a main
controller of the image forming apparatus completes a performing of an initialization, and controlling a temperature of the
fuser according to a duty table having recorded thereon at least one duty value corresponding to life of the fuser.

US Pat. No. 9,906,416

METHOD AND APPARATUS TO MANAGE SERVICE LEVEL AGREEMENT

S-PRINTING SOLUTION CO., ...

1. A method of managing, via a server including a Graphical User Interface (GUI) and an external port, a service level agreement
(SLA) including at least one SLA item with respect to an image forming apparatus connected to the server on a network, the
method comprising:
by the server:
generating a GUI to receive a user input to register at least one of a plurality of SLA items of the image forming apparatus
and to list the registered SLA items;

setting a service management option with respect to a selected at least one of the registered SLA items listed in the generated
GUI to measure a service level including error type information provided by the image forming apparatus to the server through
the external port based on input by a user received at the generated GUI, wherein the setting the service management option
with respect to the selected SLA item comprises setting one of:

an automatic management mode in which the server automatically performs a predetermined event, the predetermined event corresponding
to error information of an error management policy, regardless of a monitored service level of the image forming apparatus,

a semiautomatic management mode in which the server automatically performs the predetermined event only when the monitored
service level of the image forming apparatus is determined as less than a predetermined service level, and

a manual management mode in which the server performs the predetermined event only after receiving another input by the user;
monitoring the service level provided by the image forming apparatus of the selected SLA item and error information indicating
a cause of an error upon the error occurring on the image forming apparatus; and

performing the predetermined event based on the monitored service level, the error information, and the set service management
mode,

the method further comprising:
adding a new SLA item to the plurality of SLA items by:
obtaining SLA extended data,
determining whether the GUI may be modified with respect to the plurality of SLA items, and
installing the obtained SLA extended data on the server, upon determining the GUI may be modified.

US Pat. No. 9,778,733

METHOD OF SETTING PRINTING OPTION THROUGH TOUCH INPUT AND MOBILE DEVICE TO PERFORM SAME

S-PRINTING SOLUTION CO., ...

1. A method of setting a printing option through a touch input, the method comprising:
displaying a preview screen, which includes a virtual sheet of paper and thumbnails corresponding to content to be printed,
on a touch screen of a mobile device;

determining the printing option by receiving and analyzing the touch input on the virtual sheet of paper and at least one
thumbnail of the thumbnails;

applying the determined printing option to an image which is displayed on the preview screen; and
displaying a mask image, which corresponds to the determined printing option, on the at least one thumbnail that corresponds
to the image, based on the touch input on the virtual sheet of paper.

US Pat. No. 9,778,595

CARTRIDGE UNIT AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A container assembly comprising:
a container including a first opening;
a shutter including a second opening, the shutter linearly movable in a first direction between an opening position in which
at least a part of the second opening overlaps with the first opening to open the first opening and a closing position in
which the second opening does not overlap with the first opening to close the first opening; and

a lever movable in a second direction that is not parallel with the first direction, and connected to the shutter such that
a portion of the shutter connected to the lever and a portion of the shutter including the second opening linearly move in
the first direction if the lever moves in the second direction,

wherein the shutter has a section that meets the lever, and the lever comprises a movement guide extending in a direction
that is different from the first direction to guide a movement of the section, wherein the section has a pin structure.

US Pat. No. 9,733,876

METHOD OF PRINTING WEB PAGE BY USING MOBILE TERMINAL AND MOBILE TERMINAL FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method of printing a web page by using a mobile terminal and an image forming apparatus, the method comprising:
displaying the web page on the mobile terminal;
extracting objects to be printed from the web page displayed on the mobile terminal directly from the web page;
setting a layout of the extracted objects;
generating printing data directly from the extracted objects by rendering the objects according to the set layout and directly
converting the extracted objects to printing data;

transferring the generated printing data to the image forming apparatus; and
parsing and printing the transferred printing data by using the image forming apparatus,
wherein the extracting objects to be printed from the web page displayed on the mobile terminal directly from the web page
includes:

obtaining web page sources by analyzing the displayed web page,
deleting a configuration of the web sources that are not displayed on the displayed web page including at least one of a sound
configuration, an event configuration, and a background logic configuration from among items included in the web page sources,
and

extracting attribute-values of the objects and values about at least one relative location between a first of the objects
and a second of the objects from the obtained web page sources,

wherein the layout is allowed to be changed by a user, and
wherein the printing of the transferred printing data by using the image forming apparatus comprises:
identifying a file format of the transferred printing data by analyzing a header of the transferred printing data,
converting the transferred printing data into a bitmap image by using an emulator corresponding to the file format, and
printing the bitmap image.

US Pat. No. 9,736,322

ELECTRONIC DEVICE AND METHOD OF CHECKING CONNECTED STATE OF SIGNAL LINE THEREOF

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus configured to check a connected state of a signal line, the image forming apparatus comprising:
a controller configured to transmit a check signal;
at least one electronic module, each at least one electronic module includes a first socket to receive the check signal, a
second socket to transmit the check signal, and a closed loop to directly connect the first socket and the second socket;
and

a connector configured to connect an electronic module among the at least one electronic module to the controller,
wherein the controller is configured to determine that the at least one electronic module is connected to the controller when
the controller receives the transmitted check signal through the closed loop and to determine that the at least one electronic
module is not connected to the controller when the controller does not receive the transmitted check signal through the closed
loop,

wherein the at least one electronic module includes one or more of a motor, a laser scanner, a photoconductor, and an electronic
hardware, and

wherein the first socket and the second socket are outermost sockets of a plurality of sockets included in the connector.

US Pat. No. 9,760,044

PHASE CONTROL METHOD OF AC POWER SUPPLIED TO A FUSER AND AN IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:
a fuser comprising a heating body;
a switching unit configured to supply input power to the heating body; and
a phase controller configured:
to determine a first input phase of the input power for a first control cycle based on a temperature of the fuser,
to set a phase range, based on the first input phase, for a plurality of consecutive control cycles subsequent to the first
control cycle, and

to control the switching unit so that a phase of the input power supplied to the heating body is varied within the phase range
set for each of the plurality of consecutive control cycles subsequent to the first control cycle, by controlling respective
input phases for each of the plurality of consecutive control cycles to lag or lead the first input phase by a respective
predetermined amount in a sequential manner.

US Pat. No. 10,133,199

TONER FOR DEVELOPING ELECTROSTATIC IMAGE AND METHOD OF MANUFACTURING THE SAME

S-PRINTING SOLUTION CO., ...

1. A toner for developing an electrostatic image, the toner comprising:toner particles including:
a crystalline polyester resin having a melting temperature in a range of from 60° C. to 75° C.;
an amorphous polyester resin;
a releasing agent comprising a mixture of an ester wax and a non-ester wax with a content weight percentage of the ester wax being within a range of 1% to 35% of a total weight of the non-ester wax and the ester wax; and
a colorant,
wherein:
the toner particles have a mean volume diameter of 5 to 7 ?m,
when 50 of the toner particle are viewed in a plane image obtained by scanning electron microscopy (SEM),
the 50 toner particles collectively project a plurality of surface regions onto the plane image, each of the plurality of surface regions being a region, of the crystalline polyester resin or the releasing agent, that is stainable by RuO4 and exposed on the surface of one of the 50 toner particles, the plurality of surface regions including at least one region of the crystalline polyester resin,
a total number of the plurality of surface regions projected onto the plane image is in a range of from 6 to 24, and
an area Sstain on the plane image occupied by a total surface area of the plurality of surface regions that is stainable by RuO4, and a total area Stoner on the plane image occupied by the toner particle satisfy ?4.3 ?log(Sstain /Stoner)??2.1,
the toner particles have charge stability based on the crystalline polyester resin having an electrical resistance [?] and the amorphous polyester resin having an electrical resistance [?], the electrical resistance [?] of the crystalline polyester and the electrical resistance [?] of the amorphous polyester resin satisfy:
3.88?Rcrystalline/Ramorphous?74.2,
15?log [Rcrystalline]?20,
where Rcrystalline is the electrical resistance [?] of the crystalline polyester resin and Ramorphous is the electrical resistance [?] of the amorphous polyester resin, and
compatibility between the amorphous polyester resin and the releasing agent as represented by a solubility parameter of the crystalline polyester resin, a solubility parameter of the amorphous polyester resin, and a solubility parameter of the releasing agent satisfy:
?SP?=|SPamorphous?SPcrystalline|?3.11,
?SP?=|SPcrystalline?SPwax|?0.49,
?SP?=|SPamorphous?SPwax|?3.84,
where SPamorphous is the solubility parameter [(J/cm3)0.5] of the amorphous polyester resin, SPcrystalline is the solubility parameter [(J/cm3)0.5] of the crystalline polyester resin, and SPwax is the solubility parameter [(J/cm3)0.5] of the releasing agent.

US Pat. No. 10,095,182

CRUM UNIT MOUNTABLE AND DISMOUNTABLE IN CONSUMABLE UNIT OF IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitor (CRUM) unit comprising:a power extracting circuit to, when a clock signal generated for an image forming apparatus and having a high value and a low value is received, extract power from the high value of the clock signal; and
a controller to operate using the extracted power,
wherein the clock signal is to have
the high value and the low value repeatedly alternating in a first frequency while in a data section, and
the high value and the low value repeatedly alternating in a second frequency that is different from the first frequency while in a pause section, and
wherein the controller is to cause a data signal to be transmitted when the clock signal having the high value and the low value repeatedly alternates in the first frequency.

US Pat. No. 10,088,788

IMAGE FORMING APPARATUS SUPPORTING NEAR FIELD COMMUNICATION (NFC) FUNCTION AND METHOD OF PROVIDING USER INTERFACE (UI) SCREEN CUSTOMIZED TO NFC DEVICE

S-Printing Solution Co., ...

1. An image forming apparatus supporting a near field communication (NFC) function, the image forming apparatus comprising:a display;
at least one processor; and
a transceiver to receive an NFC signal, including identification information of a user device, from the user device after detecting the user device using the NFC function,
wherein the at least one processor:
controls the display to display a first UI,
identifies the user device based on the received identification information,
converts the displayed first UI to a second UI corresponding to the identified user device, the converting comprising modifying a screen configuration of menus displayed on the first UI to a screen configuration including image job options that are customized for a type of the identified user device,
controls the display to display the second UI, and
receives a user instruction to operate the image forming apparatus based on a user input on the second UI.

US Pat. No. 10,046,930

PRINT MEDIUM SUPPLY APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:a print medium tray to be loaded with a print medium;
a pickup roller to pick up the print medium from the print medium tray, the pickup roller including:
at least one first pickup block,
at least one second pickup block to alternately come into contact with an upper portion of the print medium, and
a roller body which forms a body of the pickup roller and at which the at least one first pickup block is disposed at one end thereof and the at least one second pickup block is disposed at the other end thereof; and
a pressing bar, disposed between the one end and the other end of the roller body and rotatably disposed around the roller body, to come into contact with the upper portion of the print medium at an upstream position with respect to a position of the pickup roller in a supply direction of the print medium.

US Pat. No. 10,037,180

DEVICE AND METHOD FOR PROVIDING USER INTERFACE SCREEN

S-PRINTING SOLUTION CO., ...

1. A method for providing a user interface of a printer driver installed in a device, the method comprising:receiving a user input for manipulating the user interface;
determining a type of input used for the received user input;
determining a display style, among at least a first display style and a second display style, of the user interface corresponding to the determined type of input;
determining whether a pop-up print option of the printer driver is selected by the received user input; and
providing a pop-up window for the pop-up print option in the user interface in the first display style of the determined display style while providing a remainder of the user interface in the second display style, such that the pop-up window in the first display style and a portion of the remainder of the user interface in the second display style are simultaneously displayed.

US Pat. No. 10,022,986

IMAGE FORMING APPARATUS, RECORDING MEDIUM, TERMINAL, SERVER, NOTE PRINTING METHOD, AND STORAGE MEDIUM

S-PRINTING SOLUTION CO., ...

1. A note printing method for printing note information input to a terminal, the note printing method comprising:displaying a note window for receiving note information from a user;
receiving the note information;
transmitting the note information and a print request of the note information to an image forming apparatus configured to print the note information on a recording medium with an adhesive layer provided on a first side which is opposite of a second side of the recording medium on which the note information is to be printed; and
transmitting identification information of the image forming apparatus to a server configured to generate a virtual conference space based on the identification information of the image forming apparatus.

US Pat. No. 10,017,339

PAPER FEEDING APPARATUS AND IMAGE FORMING APPARATUS ADOPTING THE SAME

S-PRINTING SOLUTION CO., ...

1. A paper feeding apparatus of an image forming apparatus, the paper feeding apparatus comprising:a pickup unit comprising a pickup roller, and at least a part of the pickup unit to rotate about a first axis and to move between a contact location at which the pickup roller contacts a recording medium and a separation location at which the pickup roller is separate from the recording medium;
a swing member, located above a top of the pickup unit, to rotate about a second axis, perpendicular to the first axis, to move the pickup unit from the contact location to the separation location by pressing the pickup unit, and to maintain contact with the pickup unit when the pickup unit moves from the separation location to the contact location;
an elastic member to provide an elastic force to the swing member so that the swing member rotates about the second axis; and
a rotation limiter to limit a rotation angle at which the swing member rotates,
wherein a momentum of the swing member is less than a momentum of the pickup unit while the swing member presses the pickup unit and rotates.

US Pat. No. 10,013,225

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD THEREOF TO GENERATE BINARY PRINT DATA EXTERNAL HOST APPARATUS

S-PRINTING SOLUTION CO., ...

1. An image forming method of a graphic device interface (GDI) type image forming apparatus, comprising:to perform an image forming job for an external apparatus communicatively coupled to the GDI type image forming apparatus,
forming an image density pattern for a tone compensation, in response to receiving an image density control command from the external apparatus;
measuring an image density of the formed image density pattern for the tone compensation to generate measured image density data for the tone compensation;
transmitting the measured image density data for the tone compensation to the external apparatus to control the external apparatus to
change a half-toning screen to be applied to the image forming job to correspond to the measured image density data for the tone compensation by
calculating tone reproduction curve (TRC) data corresponding to the measured image density data for the tone compensation,
calculating tone compensation curve (TCC) data for compensating the calculated TRC data, and
generating a half-toning screen corresponding to the calculated TCC data,
generating binary data for performing the image forming job, by applying the generated half-toning screen corresponding to the calculated TCC data to the binary data, and
transmitting the generated binary data, to which the generated half-toning screen corresponding to the calculated TCC is applied, to the GDI type image forming apparatus; and
receiving the transmitted binary data for performing the image forming job, to which the half-toning screen corresponding to the calculated TCC is applied by the external apparatus.

US Pat. No. 9,998,612

IMAGE FORMING APPARATUS AND METHOD FOR NOTIFICATION OF LOCATION

S-PRINTING SOLUTION CO., ...

19. An image forming apparatus, comprising:a communication interface to receive printing data from one of a server remotely located from the image forming apparatus and a printing control terminal remotely located from the image forming apparatus, and to receive access point information from at least one access point to which the image forming apparatus is wirelessly connectable;
an image former to perform a printing operation to print the printing data;
a memory to store history information of the printing control terminal regarding one or more printing operations requested by the printing control terminal with respect to the image forming apparatus; and
at least one processor to:
in response to a power status of the image forming apparatus changing from an off state to an on state, obtain a current location of the image forming apparatus based on the received access point information,
determine a location change of the image forming apparatus has occurred when the current location of the image forming apparatus is different from a previous location of the image forming apparatus, the previous location having been stored in the memory at a time before the power status of the image forming apparatus was changed from the off state to the on state,
in response to the communication interface receiving the print data from the one of the server and the printing control terminal control, control the image former to automatically print the print data when the history information indicates the printing control terminal has requested the image forming apparatus to perform at least one other printing operation subsequent to the power status of the image forming apparatus being changed from the off state to the on state,
in response to the determination the location change of the image forming apparatus has occurred and the communication interface receiving the print data from the one of the server and the printing control terminal control, control the image former to suspend the printing operation before printing the print data when the history information indicates the printing control terminal has not requested the image forming apparatus to perform at least one other printing operation subsequent to the power status of the image forming apparatus being changed from the off state to the on state, control the communication interface to transmit changed location information indicating the location change of the image forming apparatus has occurred to the at least one of the printing control terminal or the server, and control the image former to print the received print data or to cancel the printing operation according to a command received based on the location change of the image forming apparatus indicated in the changed location information from the at least one of the printing control terminal or the server which has received the changed location information.

US Pat. No. 9,977,371

DRIVING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. An apparatus comprising:a motor configured to provide a rotational force;
a first gear;
a second gear;
a power transmitter configured to selectively transfer the rotational force from the motor to the first gear and from the motor to the second gear;
a cam configured to set a mode of the power transmitter to one of:
a release mode in which the rotational force from the motor is disconnected from the first gear and the second gear,
a first connection mode in which the first gear is connected to the rotational force from the motor and the second gear is disconnected from the rotational force from the motor, and
a second connection mode in which the second gear is connected to the rotational force from the motor and the first gear is disconnected from the rotational force from the motor; and
a clutch configured to selectively transfer the rotational force from the motor to the cam.

US Pat. No. 9,971,300

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A cartridge detachably attachable to a main body of an image forming apparatus, the cartridge comprising:a rotary member; and
a cartridge coupler comprising a transmission member coupled to a rotation axis of the rotary member, a receiving member connectable with a set coupler in the main body of the image forming apparatus to transmit power therebetween, and a connection member to connect the transmission member and the receiving member to each other, the receiving member being movable relative to the transmission member and the connection member in an axial direction corresponding to a rotation axis of the receiving member,
wherein
the receiving member is movable to a first position at which the receiving member is in contact with the connection member and the rotation axis of the receiving member is misaligned with a rotation axis of the transmission member in an attachment or a detachment direction of the cartridge perpendicular to the axial direction, and
the receiving member is movable to a second position at which the receiving member is spaced apart from the connection member in the axial direction and the rotation axis of the receiving member is aligned with the rotation axis of the transmission member.

US Pat. No. 9,973,656

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

S-PRINTING SOLUTION CO., ...

11. A controlling method of an image forming apparatus, comprising:receiving, from a mobile device, information about a distance between the image forming apparatus and the mobile device;
printing an image, by an image forming unit, on a medium when the information indicates the mobile device is less than a first predefined distance from the image forming apparatus; and
performing a warning operation to notify the mobile device of an unreceived medium on which the image forming unit has printed the image when the information indicates the mobile device is greater than the first predefined distance from the image forming apparatus.

US Pat. No. 9,973,658

CRUM CHIP AND IMAGE FORMING DEVICE FOR AUTHENTICATION AND COMMUNICATION, AND METHODS THEREOF

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitoring chip (CRUM chip) operable to communicate with an image forming apparatus, the CRUM chip comprising:at least one contact configured to receive a first data set and first integrity detection data regarding the first data set from a main controller of the image forming apparatus connecting with the at least one contact, the first data set comprising first command data, first data, first CRC data, and first symbol data; and
a processor configured to test integrity of the first data set using the first integrity detection data, to generate a second data and a second integrity detection data to be transmitted to the main controller in response to integrity of the first data set being verified, the second data set comprising second data, second result data, and second CRC,
wherein the processor further configured to generate the second integrity detection data using the second data set and the received first integrity detection data.

US Pat. No. 9,967,411

IMAGE FORMING APPARATUS AND METHOD FOR REVISING COLOR

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:a storage to store a color conversion table;
an image former to print a compensation chart corresponding to the color conversion table;
a scanner to scan the printed compensation chart; and
at least one processor to:
recognize a range of brightness that the image former is able to provide to an image to be printed using the scanned compensation chart,
generate a compensation curve that uniformly distributes an input grayscale based on the recognized range of brightness,
generate a gamma curve corresponding to the generated compensation curve, and
change the color conversion table based on the generated gamma curve.

US Pat. No. 9,964,875

TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE

S-PRINTING SOLUTION CO., ...

1. A toner for developing electrostatic latent images, comprising:a plurality of toner particles,
each toner particle comprises:
a core particle comprising a binder resin, a colorant, and a releasing agent; and
an external additive adhering to a surface of the core particle, and
wherein the toner exhibits two endothermic peaks and a stepped endothermic curve in a thermogram which is obtained from a secondary temperature rise in differential scanning calorimetry (DSC),
wherein first and second melting temperatures (Tm1 and Tm2) are determined as temperatures at vertices of the two endothermic peaks, respectively, a glass transition temperature (Tg) is determined as a temperature at a midpoint of a linear region of the stepped endothermic curve, and a first heat and a second heat of melting (?H1 and ?H2) are determined as areas of the two endothermic peaks, respectively, and
wherein Tm1, Tm2, Tg, ?H1 and ?H2 satisfy the following conditions:
55° C.?Tg?65° C.  (1)
Tg?Tm1?75° C.  (2)
Tm1?Tm2?90° C.  (3)
0.5

US Pat. No. 9,941,689

SWITCHING MODE POWER SUPPLY INCLUDING SURGE PROTECTION CIRCUIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A switching mode power supply (SMPS) comprising:a feedback unit to output a predetermined feedback voltage when an output voltage of the SMPS is not within a predetermined range;
a pulse width modulation (PWM) controller that includes a protection pin and cuts off a power supply of the SMPS when a voltage that is applied to the protection pin exceeds a predetermined threshold voltage; and
a surge protection unit including:
a Zener diode having an anode that is connected to the protection pin of the PWM controller and a cathode connected to the feedback unit, and
at least one of a bead, a resistor, a capacitor, and a varistor configured to suppress surge noise,
the bead having one end connected to the anode or the cathode of the Zener diode and the other end connected to the protection pin or the feedback unit,
the resistor having one end connected to the anode or the cathode of the Zener diode and the other end connected to the protection pin or the feedback unit,
the capacitor having one end connected to the anode or the cathode of the Zener diode and the other end connected to a ground, and
the varistor having one end connected to the anode or the cathode of the Zener diode and the other end connected to the ground,
wherein the surge protection unit configured to block an external surge voltage lower than a surge protection capacity of the surge protection unit for blocking a surge voltage input from outside thereof, and, when the output voltage of the SMPS is not within the predetermined range, the surge protection unit configured to apply a voltage obtained by subtracting the surge protection capacity of the surge protection unit from the predetermined feedback voltage output from the feedback unit to the protection pin, and
wherein the surge protection capacity is set higher than the predetermined threshold voltage of the protection pin.

US Pat. No. 9,936,096

IMAGE FORMING APPARATUS HAVING A DOCKING UNIT TO MOUNT A PLURALITY OF PORTABLE DISPLAY APPARATUSES, A PORTABLE DISPLAY APPARATUS MOUNTABLE TO THE DOCKING UNIT, A PRINTING CONTROL METHOD USING THE DOCKING UNIT, AND A DISPLAY METHOD USING THE DOCKING UNIT

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:a main body;
a docking device including a first docking portion configured to physically mount a first portable display apparatus thereon and a second docking portion configured to physically mount a second portable display apparatus thereon, the docking device being configured to be detachably removable from the main body and to be replaceable with a cassette unit which is configured to store printing media, a shape of at least a portion of a body of the docking device corresponding to a shape of at least a portion of the cassette unit, such that when the docking device is removed from the main body, the cassette unit is capable of being inserted into a side of the main body from which the docking device was removed;
a transceiver configured to receive data; and
a processor configured to, when at least one of the first portable display apparatus is mounted on the first docking portion and the second portable display apparatus is mounted on the second docking portion, store the data received by the transceiver in the at least one of the first portable display apparatus and the second portable display apparatus.

US Pat. No. 9,927,768

CRUM CHIP AND IMAGE FORMING DEVICE FOR COMMUNICATING MUTUALLY, AND METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitoring (CRUM) chip operable to communicate with an image forming device, the CRUM chip comprising:an interface including at least one contact and operable to receive first data and first integrity detection data regarding the first data that is transmitted from a main controller of the image forming device; and
a controller that is operable to generate second integrity detection data using both second data to be transmitted to the main controller of the image forming device and the first integrity data, and that is operable to transmit the second data and the second integrity detection data from the CRUM chip to the main controller of the image forming device.

US Pat. No. 9,930,196

IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING DISPLAY OF POP-UP WINDOW

S-PRINTING SOLUTION CO., ...

1. A method performed by an image forming apparatus, the method comprising:monitoring generation of a pop-up event during operations of the image forming apparatus with a processor of the image forming apparatus; and
after the monitored pop-up event is generated:
identifying a current state of each of a plurality of devices that are connected to the image forming apparatus based on at least one of a state of an application executable on a foreground of a respective device of the plurality of devices and a state of another application executable on a background of the respective device of the plurality of devices,
determining at least one target device that is to be requested to display a pop-up window indicating the pop-up event has been generated from among the plurality of devices connected to the image forming apparatus based on the identified current state of each of the connected devices, and
transmitting information about the generated pop-up event to the determined at least one target device from among the devices connected to the image forming apparatus.
US Pat. No. 9,921,508

METHOD OF PREPARING POLY-SILICIC-FERRIC COAGULANT (PSFC) FOR ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER

S-PRINTING SOLUTION CO., ...

1. A method of producing a poly-silicic-ferric coagulant, the method comprising:
providing a silicic acid aqueous solution having a silicon content, and polymerizing silicic acid in the silicic acid aqueous
solution for a polymerization time to form a polymerized silicic acid; and

mixing iron ions and the polymerized silicic acid to produce the coagulant, wherein
the silicon content, a pH of the silicic acid aqueous solution at a start of the polymerizing, and the polymerization time
satisfy:

6.20?logeT?(11.7?3.0×pH?2.6×loge2.139C)?6.65

where T is the polymerization time in hours, and C is the silicon content in wt % based on 100 wt % of a total weight of the
silicic acid aqueous solution,

the pH of the silicic acid aqueous solution at the start of the polymerizing is in a range of about 3.5 to about 5.0,
the silicon content is in a range of about 2.9 wt % to about 7.0 wt % based on 100 wt % of the total weight of the silicic
acid aqueous solution, and

in the mixing, the iron ions are added to silicic acid aqueous solution in an amount such that a molar ratio of iron atoms
to silicon atoms in the produced coagulant is in a range of about 1.1:1 to about 1:1.

US Pat. No. 9,878,863

DEVICE AND METHOD FOR CONTROLLING PAPER INTERVAL IN PAPER FEEDER OF IMAGE FORMING APPARATUS, AND IMAGE FORMING APPARATUS INCLUDING THE DEVICE

S-PRINTING SOLUTION CO., ...

1. A device for controlling a paper interval in a paper feeder of an image forming apparatus, the device comprising:
a leading edge sensor configured to detect a leading edge of a sheet of paper when a pickup roller picks up the sheet of paper
and a forward roller forwards the sheet of paper, wherein the leading edge sensor is adjacent to an output side of the forward
roller;

a feeder configured to accelerate the sheet of paper; and
a controller, wherein if the sheet of paper arrives at a paper sensing position of the leading edge sensor subsequent to a
predetermined time, the controller measures a travel time during which the sheet of paper is fed to the paper sensing position,
and according to the measured travel time, the controller varies a time point at which the sheet of paper starts to be accelerated,

wherein if the leading edge of the sheet of paper is detected by the leading edge sensor as having passed a predetermined
position prior to the predetermined time, the controller controls a motor driving the pickup roller to retard driving timing
of the pickup roller for retarding picking up timing of a next sheet of paper;

wherein the controller maintains driving speed of a feed roller of the feeder in response to a determination that the travel
time is shorter than a first time;

wherein the controller determines the time point at which the driving speed starts to be accelerated according to the travel
time in response to a determination that the travel time is equal or longer than the first time but shorter than a second
time; and

wherein if the travel time is equal to or longer than the second time, the controller determines that the sheet of paper jams,
and stops feeding of the sheet of paper.

US Pat. No. 10,136,030

METHOD AND SYSTEM FOR MANAGING IMAGE FORMING APPARATUS THROUGH NETWORK

S-PRINTING SOLUTION CO., ...

1. A method of a user terminal communicatively coupled to a server and an image forming apparatus for controlling diagnosis of the image forming apparatus, the method comprising:logging in to the server through a diagnostic control application executing on the user terminal;
receiving device information of the image forming apparatus from the image forming apparatus;
receiving, from the server, diagnostic control information corresponding to the received device information;
performing a diagnostic control on the image forming apparatus, in response to a selection of a mode, among at least one mode including any one or more of an error mode, a diagnosis mode, a test mode, an information mode, or a service mode, through the diagnostic control application of the user terminal, and according to an extraction, from the diagnostic control information received from the server, of information corresponding to the selected mode; and
uploading results of the diagnostic control on the server for analysis of the uploaded results.

US Pat. No. 10,108,118

FUSING DEVICE HAVING A HEATING MEMBER WITH A HEAT SOURCE SEAT FOR MOUNTING A HEAT SOURCE

S-PRINTING SOLUTION CO., ...

1. A fusing device, comprising:a pressing member; and
a heating member, disposed adjacent to the pressing member in a first direction, the heating member including:
a fusing belt having a first side in contact with the pressing member,
a heat source, disposed at a second side of the fusing belt, to heat the fusing belt,
a heat source seat, having a concave structure in which the heat source is mountable, and
a pressing support member, disposed at a first side of the heat source seat, having an elastic body to generate a force to press the heat source in a second direction, transverse to the first direction, toward a second side of the heat source seat that is opposite the first side of the heat source seat.

US Pat. No. 10,075,615

METHOD OF ESTABLISHING CONNECTION BETWEEN MOBILE DEVICE AND IMAGE FORMING APPARATUS, AND IMAGE FORMING APPARATUS AND MOBILE DEVICE FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method of establishing, by an image forming apparatus, a connection to a mobile device, the method comprising:transmitting temporary credential information to the mobile device in response to receiving a pairing request from the mobile device;
receiving an encrypted personal identification number (PIN) code from the mobile device, wherein a PIN code input by a user of the mobile device was encrypted by the mobile device to produce the encrypted PIN code using the temporary credential information;
determining, by the image forming apparatus, whether the PIN code is valid by decrypting the encrypted PIN code using the temporary credential information to extract the PIN code; and
transmitting permanent credential information to the mobile device when it is determined that the PIN code is valid.

US Pat. No. 10,061,244

GUIDE BUSHING DISPOSED AT AN END OF A NIP FORMING MEMBER TO SUPPORT AN END OF A FIXING BELT

S-PRINTING SOLUTION CO., ...

1. A fixing apparatus, comprising:a fixing belt including a first end and a second end;
a pressure roller to contact the fixing belt;
a nip forming member to press the fixing belt to the pressure roller to form a nip, the nip forming member including a first end and a second end; and
first and second guide bushings to be respectively disposed at the first and second ends of the nip forming member to respectively support the first and second ends of the fixing belt, each of the first and second guide bushings including a moving member which is movable.

US Pat. No. 10,036,955

PORTABLE IMAGE-FORMING DEVICE

S-PRINTING SOLUTION CO., ...

1. A portable image-forming device, comprising:a housing;
an exposure member to expose an instant film disposable in an inside of the housing to a light radiating from a portable display device;
a manually operable traction unit, connected to the exposure member, to move the exposure member between a pre-exposure position and a post-exposure position; and
a manually operable developing agent-spreading member to spread a developing agent provided in the instant film over an exposed portion of the instant film.

US Pat. No. 10,023,409

PAPER FEEDER AND MEDIUM PROCESSING APPARATUS INCLUDING THE SAME

S-PRINTING SOLUTION CO., ...

1. A paper feeder comprising:a load tray where cut-sheet-type media are loadable to be transported toward a downstream side out of the load tray in a transporting direction;
a pickup member to pick up the cut-sheet-type media from the load tray;
a separation unit to separate a cut-sheet-type medium from the picked up cut-sheet-type media, by rotatably contacting the cut-sheet-type medium while the separated cut-sheet type medium is transported toward the downstream side out of the load tray in the transporting direction; and
a blowing unit coupled to the separation unit to be driven by the separation unit, to supply pulse air from the downstream side of the load tray toward the load tray in an inverse direction of the transporting direction, and to a front end portion of the cut-sheet-type media with respect to the transporting direction.

US Pat. No. 10,019,660

METHOD OF PRINTING USER FORM DOCUMENT, IMAGE FORMING APPARATUS USING THE METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

S-PRINTING SOLUTION CO., ...

1. A method by an image forming apparatus including a user interface and a memory having a test page storing space defined in the memory, the test page storing space storing data for a test page, the test page printable using the data for the test page in the test page storing space by a command to print the test page via the user interface, the method comprising:receiving, from an external device, data for a user form document selected by a user;
replacing the data for the test page stored in the test page storing space defined in the memory with the received data for the user form document, to store the data for the user form document in the test page storing space;
in response to receiving the command to print the test page via the user interface included in the image forming apparatus, loading the user form document using the data for the user form document stored in the test page storing space; and
printing the loaded user form document.

US Pat. No. 10,021,258

IMAGE FORMING APPARATUS EQUIPPED WITH DISPLAY DEVICE TO PIVOT IN DIFFERENT DIRECTIONS IN A TILTING OPERATION

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:a body;
a printer disposed in the body and configured to form the image on the supplied printing medium;
a printing medium supplier configured to supply a printing medium to an interior of the body, for formation of an image on the printing medium;
a discharge unit configured to discharge the image-formed printing medium outwardly of the body;
a display unit configured to be tiltable in a first pivotal direction with respect to the body, the display unit has a first position, at which the display unit is arranged in parallel with the body, and a second position, at which the display unit is positioned after pivoting from the first position in the first pivotal direction; and
a support unit at a back surface of the display unit, to hold the display unit in a pivotal state,
wherein the support unit comprises:
a pivotal member configured to pivot about a pivot axis spaced apart from a tilting axis of the display unit and to pivot with respect to the body in a second pivotal direction opposite to the first pivotal direction in linkage with a tilting operation of the display unit, and
a sliding member, disposed inside the pivotal member and slidable from the pivotal member contact and support a first back surface position of the back surface of the display unit at a tilting angle of the display unit and to contact and support a second back surface position of the back surface of the display unit at a second tilting angle of the display unit,
wherein the display unit comprises a guide member provided at the back surface of the display unit, to enable the pivotal member to pivot in linkage with the tilting operation of the display unit, the guide member comprising a guide rail to guide a pivotal movement of the pivotal member, and
the guide rail has a first guide position, at which the guide rail guides the pivotal member so that the display unit is positioned at the first position, and a second guide position, at which the guide rail guides the pivotal member pivoted in the second pivotal direction so that the display unit is positioned at the second position.

US Pat. No. 10,019,208

USER TERMINAL APPARATUS AND STATUS INFORMATION DISPLAYING METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A user terminal apparatus, comprising:a memory to store a hybrid operation system to support a plurality of different types of user interfaces (UIs);
a processor to execute the hybrid operation system;
a display to selectively display one of the plurality of different types of UIs depending on the execution of the hybrid operation system;
USB interface connectable with an image forming apparatus;
a port monitor to perform communication only through a bulk channel of the USB interface; and
an inputter to receive a user command to check status information of the image forming apparatus,
wherein
when a first UI of the plurality of different types of UIs is selected and the user command is input, the processor is to receive the status information of the image forming apparatus while a bulk channel of the USB interface is used to receive information other than the status information simultaneously, by using an agent program which performs communication through a control channel of the USB interface instead of using the port monitor,
the processor is to control the display to display the received status information in the first UI of the plurality of different types of UIs,
the first UI of the plurality of different types of UIs is to communicate with the image forming apparatus only through the port monitor,
the agent program is to receive the status information of the image forming apparatus in a raw data format, to process the received status information in the raw data form into an extensible markup language (XML) format that can be recognized by an application of the first UI, and to transmit the processed status information in the XML format to the first UI.

US Pat. No. 10,019,211

IMAGE READING APPARATUS AND IMAGE READING METHOD

S-Printing Solution Co., ...

1. An image scanning apparatus comprising:a scanner to generate a scan image by scanning a plurality of documents; and
at least one processor to:
in response to sensing the presence of a preset identification mark on a document while generating the scan image, process, as a first job, the scan image scanned before the document in which an identification mark is present and process, as a second job, the scan image including the document in which an identification mark is present and the scan image scanned after the document, and
when the document in which the identification mark is present includes only identification mark information, process the scan image after the document including the identification mark to exclude a scan image corresponding to the document including only the identification mark information from the second job.

US Pat. No. 10,021,049

CLOUD SYSTEM AND METHOD OF DISPLAYING, BY CLOUD SYSTEM, CONTENT

S-PRINTING SOLUTION CO., ...

1. A cloud providing a cloud service for displaying content, the cloud comprising:a first server to receive a sharing request for content, from an electronic device, the sharing request including metadata about the content which includes file format information of the content;
a second server to
receive the metadata about the content from the first server,
determine a type of a file format of the content based on the metadata about the content received from the first server, and
determine whether the content is displayable on a display device connected to the cloud, by the second server comparing the type of the file format of the content with a type of file format displayable by the display device and comparing a resolution of the content with a resolution displayable by the display device, the type of file format displayable by the display device and the resolution displayable by the display device having been received via registration information of the display device registered with the second server;
a third server to receive a command from the second server directing the third server to convert the content to an image file by rendering the content and generating an image file from the rendered content, the command from the second server being transmitted when it is determined by the second server that the content does not have the type of file format displayable by the display device or the content does not have the resolution displayable by the display device; and
a fourth server to control displaying of one of the content and the image file on the display device by sending a command to the display device to commence the displaying, and to manage a chat room in which the electronic device and at least one other device are participating, the at least one other device participating in the chat room comprising the display device, and the electronic device is to assign the display device as a target device for displaying the content,
wherein the content is shared by the electronic device or the at least one other device through the chat room.

US Pat. No. 10,012,928

DEVELOPING APPARATUS

S-PRINTING SOLUTION CO., ...

1. A developing apparatus comprising:first and second case parts;
first and second opening parts for allowing the first and second case parts to communicate with each other;
a developing roller installed in the first case part;
a first carrying member installed in the first case part to carry, towards the first opening part, developer introduced from the second case part through the second opening part and to supply the developer to the developing roller;
a second carrying member installed in the second case part to carry, towards the second opening part, the developer introduced from the first case part through the first opening part; and
a developer discharge hole provided in the first case part at an opposite side to the second opening part,
wherein
the first carrying member comprises a carrying blade for carrying the developer towards the first opening part and a counter blade located between the first opening part and the developer discharge hole to carry the developer towards the first opening part,
a first gap is prepared between the counter blade and an inner wall of the first case part, and
a cross-sectional area of a discharge path for the developer from the counter blade to the developer discharge hole within the first case part changes according to a progress of the developer along the discharge path, and
in the discharge path, when a second gap between a first end of the counter blade and a corresponding first surface of a part of the inner wall of the first case part which forms the discharge path is C, and a third gap between a second end of the counter blade and a corresponding second surface of the part of the inner wall of the first case part which forms the discharge path is D, a relationship of C>D is satisfied.

US Pat. No. 9,977,398

CRUM CHIP AND IMAGE FORMING DEVICE FOR COMMUNICATING MUTUALLY, AND METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A Customer Replaceable Unit Monitoring (CRUM) chip operable to communicate with an image forming device, the CRUM chip comprising:an interface including at least one contact and operable to receive first data and first integrity detection data regarding the first data that is transmitted from a main controller of the image forming device connecting with the at least one contact of the interface;
a controller that is operable to generate second integrity detection data using both second data to be transmitted to the main controller of the image forming device and the first integrity detection data, and that is operable to transmit the second data and the second integrity detection data from the CRUM chip to the main controller of the image forming device.

US Pat. No. 9,952,540

FIXING DEVICE AND IMAGE FORMING DEVICE HAVING SAME

S-PRINTING SOLUTION CO., ...

1. A fixing device configured to apply heat and pressure to a printing medium, comprising:a fixing belt arranged to be rotatable;
a heat source configured to heat the fixing belt;
a rotating member arranged to be in engagement with an outer circumferential surface of the fixing belt;
a nip forming member configured to pressurize the fixing belt, thereby forming a fixing nip between the fixing belt and the rotating member; and
sliding members arranged on both ends of the fixing belt and rotated together with the fixing belt in contact with an inner surface of the fixing belt,
wherein a rotation center of each of the sliding members is arranged on an upstream side compared to a rotation center of the rotating member along a feeding direction of the printing medium being fed into the fixing nip, and
a shortest distance between a tangential line, which is in parallel with the fixing nip, of an outer circumferential surface of each of the sliding members and the rotation center of the rotating member is equal to or greater than a shortest distance between the fixing nip and the rotation center of the rotating member, in the vicinity of the fixing nip.

US Pat. No. 9,952,541

FUSING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. A fusing device comprising:a fusing belt that is rotatable;
a pressing member disposed to face the fusing belt and form a fusing nip with the fusing belt;
a heat source disposed inside the fusing belt and at a side of the fusing nip;
a guide member including a heat source seat, on which the heat source is mountable, to guide a rotation of the fusing belt; and
a pressing support member having an elastic body to generate a force to press the heat source toward an other side of the heat source seat that is opposite a one side of the heat source seat, the elastic body being disposed at the one side of the heat source seat.

US Pat. No. 9,950,543

CARTRIDGE FOR RECORDING MEDIUM AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. A cartridge for a recording medium, comprising:a cartridge case including a recording medium supporting portion to rotatably fix the recording medium that is wound in a winding direction; and
a de-curl roller movably coupled to the cartridge case to guide an unwound portion of the recording medium to be curved in a direction opposite to the winding direction of the recording medium,
wherein the de-curl roller is movable in a direction that approaches the recording medium as a radius of a wound portion of the recording medium is reduced.

US Pat. No. 9,954,468

IMAGE FORMING APPARATUS, MOTOR CONTROL APPARATUS AND MOTOR CONTROL METHOD

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:an engine unit to perform an image forming job;
an engine control unit to control the operation of the engine unit;
a brushless direct current (BLDC) motor to drive the engine unit;
a sensor unit to sense electric angle information and driving velocity information of the BLDC motor;
a communication interface to receive a digital gain value and a digital control command with respect to the BLDC motor from the engine control unit;
a register to store the received digital gain value;
a driving signal unit to generate a driving signal to control the BLDC motor; and
a digital control unit to compute a digital error value by comparing the received digital control command with a detected driving information including the detected electric angle information and the detected driving velocity information, to compute a pulse width modulation (PWM) duty ratio of the BLDC motor using the computed digital error value and the stored digital gain, and to control the operation of the driving signal unit using the computed PWM duty ratio,
wherein the digital control unit comprises
an error detecting unit to compute the digital error value by comparing the received digital control command with the detected driving information,
a computing unit to compute the PWM duty ratio of the BLDC motor using the computed digital error value and the digital gain value, and
a PWM generating unit to generate a PWM signal with respect to the BLDC motor based on the computed PWM duty ratio.

US Pat. No. 9,933,751

CARTRIDGE SUPPORT MEMBER AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:a main body configured to have a door;
a cartridge support member configured to have a process cartridge, provided with a plurality of first electrical contact points, attachable to the cartridge support member; and
a holder configured to have a plurality of second electrical contact points electrically contactable to the plurality of first electrical contact points,
wherein
the cartridge support member is configured to be moved from a first position to a second position in the main body when the door is moved from a closed position to an open position, and to be moved from the second position to the first position when the door is moved from the open position to the closed position,
when the process cartridge is attached to the cartridge support member, the holder is configured such that the plurality of second electrical contact points are electrically connected to the plurality of first electrical contact points while the cartridge support member is at the first position, while the cartridge support member moves between the first position and the second position, and while the cartridge support member is at the second position, and
when the process cartridge is attached to the cartridge support member, the holder is further configured such that the plurality of second electrical contact points are disconnected from the plurality of first electrical contact points when the door is in the open position and the cartridge support member is moved from the second position to a third position outside the main body.

US Pat. No. 9,917,831

IMAGE FORMING APPARATUS AND METHOD OF AUTHENTICATING USER THEREOF

S-PRINTING SOLUTION CO., ...

1. A method of authenticating a user of a first electronic apparatus to communicatively connect to a second electronic apparatus
through a computer network, the method comprising:
receiving, by the first electronic apparatus, a request to generate a one-time password (OTP), the request to generate the
OTP transmitted from the second electronic apparatus in response to a request input by the user to generate the OTP through
a log-in window associated with the first electronic apparatus and displayed at the second electronic device to generate the
OTP;

generating, by the first electronic apparatus, the OTP according to the request to generate the OTP;
providing, by the first electronic apparatus, the generated OTP, wherein the generated OTP is usable for a determined plurality
of times;

receiving, by the first electronic apparatus, an authentication request including an input by the user to use the first electronic
apparatus, from the second electronic apparatus, in response to the input by the user through the log-in window associated
with the first electronic apparatus and displayed at the second electronic apparatus to use the first electronic apparatus;

when the input included in the received authentication request matches the generated OTP that is used for less than or equal
to the determined plurality of times, approving, by the first electronic apparatus, a connection between the first electronic
apparatus and the second electronic apparatus over the computer network according to the authentication request; and

when the input included in the received authentication request matches the generated OTP that is used for more than the determined
plurality of times or does not match the qenerated OTP, disapproving, by the first electronic apparatus, the connection between
the first electronic apparatus and the second electronic apparatus.

US Pat. No. 9,893,960

DEVICE HUB SYSTEM WITH RESOURCE ACCESS MECHANISM AND METHOD OF OPERATION THEREOF

S-PRINTING SOLUTION CO., ...

1. A device hub system comprising:
a control unit configured to:
generate a workroom for providing access to a workroom accessible resource, including an enterprise multifunctional printer,
protected by a network firewall,

provide authentication for a participant device to access the workroom by generating a multi-time password unique to a workroom
participant to enable the workroom participant to access the workroom from a plurality of participant devices associated with
the workroom participant, such that the workroom participant can enter the multi-time password from any of the plurality of
participant devices to access the workroom to thereby reduce resource consumption of the device hub system,

receive a workroom request through the workroom to utilize resources associated with the workroom and/or share information
with at least one other participant device connected to the workroom, the request comprising raw request information in an
unprocessed or unformatted form, and

generate a workroom sharable information from the workroom request by converting the raw request information into a universal
format usable by devices connected to the workroom including the workroom accessible resource and the at least one other participant
device; and

a communication unit, coupled to the control unit, configured to distribute the workroom sharable information within the workroom.

US Pat. No. 10,108,584

HOST APPARATUS AND SCREEN CAPTURE CONTROL METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A screen capture control method of a host apparatus, the screen capture control method comprising:transmitting a request to an image forming device at a power-on of the host apparatus and at predetermined time intervals thereafter, requesting device information of the image forming device, the device information including a size of a recording medium supported by the image forming device;
receiving, from the image forming device, the device information;
displaying, on a display, a shared clipboard of a first capture application to capture a web browser and a second capture application to capture a desktop, the shared clipboard including at least one page area having a size which is proportional to the size of the recording medium supported by the image forming device connected to the host apparatus, based on the received device information;
receiving first captured data via the first capture application and receiving second captured data via the second capture application;
displaying the first and second captured data on a same page area among the at least one page area included in the shared clipboard that is displayed on the display; and
outputting the first and second captured data to the image forming device connected to the host apparatus.

US Pat. No. 10,110,767

METHOD OF GENERATING WORKFORM BY USING BYOD SERVICE AND MOBILE DEVICE FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method of generating a workform that defines an order of performing jobs, the method comprising:selecting, for a workform to be generated, any one of an image forming apparatus and a mobile device as an input source to be used to receive a job target during execution of the workform;
selecting, for the workform to be generated, an editor application to be automatically executed in response to the job target being received via the input source during execution of the workform, wherein the editor application is to edit the job target received via the input source during the execution of the workform;
selecting, for the workform to be generated, any one of the image forming apparatus and the mobile device as a transmission destination to be used to transmit the job target edited by the editor application during the execution of the workform;
generating the workform which defines a plurality of jobs and an order in which the plurality of jobs are to be performed, with reference to the input source, the editor application, and the transmission destination; and
storing the workform.

US Pat. No. 10,063,635

METHOD OF CONTROLLING IMAGE FORMING APPARATUS THROUGH USER TERMINAL, AND IMAGE FORMING APPARATUS AND USER TERMINAL FOR PERFORMING THE METHOD

S-PRINTING SOLUTION CO., ...

1. A method comprising:by a user terminal,
storing, in the user terminal, destination information indicating a destination to which data is transmittable by the user terminal;
receiving, from an image forming apparatus, destination information stored in the image forming apparatus and indicating a destination to which data is transmittable by the image forming apparatus,
in response to the receiving the destination information stored in the image forming apparatus, displaying, on a user interface (UI) screen of the user terminal at a same time, the destination information stored in the user terminal and the destination information received from the image forming apparatus, wherein the displaying further comprises displaying the destination information stored in the user terminal in a first manner and the destination information received from the image forming apparatus in a second manner, the first manner and the second manner being visually different from one another according to a storage location of the destination information stored in the user terminal and a storage location of the destination information received from the image forming apparatus;
receiving, via the UI screen, an input to select at least one destination information of the destination information stored in the user terminal and the destination information received from the image forming apparatus displayed on the UI screen; and
transmitting a request to the image forming apparatus directing the image forming apparatus to transmit scan data generated by the image forming apparatus to at least one destination indicated by the selected at least one destination information.

US Pat. No. 10,019,584

PERFORMANCE OF IMAGE FORMING FUNCTIONS BASED ON ENCRYPTED DATA STORED IN VOLATILE MEMORY

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus, comprising:a volatile memory; and
a controller to encrypt data to be used to perform a predetermined function of the image forming apparatus before the data is written to the volatile memory, to write the encrypted data to a predetermined area of the volatile memory, and to control the image forming apparatus to perform the predetermined function using the encrypted data written to the predetermined area of the volatile memory,
wherein the controller comprises:
a function controller to generate the data to be used to perform the predetermined function of the image forming apparatus, and
an encrypter to receive the generated data from the function controller, to determine whether to encrypt the generated data based on address information on which the generated data is to be written, and to encrypt the generated data which is determined to be encrypted based on the address information.

US Pat. No. 9,990,005

DISPLAY DEVICE AND ELECTRONIC DEVICE HAVING DRAINAGE STRUCTURE

S-PRINTING SOLUTION CO., ...

16. An electronic device comprising:a display panel;
an optical guide portion surrounding the display panel and surrounding a touch area on the display panel; and
a drainage structure configured to discharge a liquid that is spilled or placed onto the display panel to an outside of the electronic device through an interior of the electronic device, the drainage structure including
a gap formed between the display panel and the optical guide portion surrounding the display panel, the gap being open to an exterior of the display device to receive the liquid spilled or placed onto the display panel,
a drainage hole formed on the optical guide portion, and
a drainage path configured to receive the liquid when the liquid has flowed into the gap and to guide the liquid to the drainage hole,
wherein the display device is configured to sense a touch on the touch area by detecting interception of light, having been output through the optical guide portion, passing through the touch area.

US Pat. No. 9,990,164

PRINTING METHOD OF IMAGE FORMING APPARATUS AND THE IMAGE FORMING APPARATUS

S-Printing Solution Co., ...

1. A printing method of an image forming apparatus, the printing method comprising:receiving, at the image forming apparatus from one of an external apparatus or a server connected to the external apparatus, job information, including content, and first identification (ID) information related to printing of the content;
receiving, from a user, second ID information;
transmitting accounting information based on the job information to a billing system, when the second ID information received from the user and the first ID information received from one of the external apparatus or the server correspond to each other; and
printing the content based on the job information, when payment completion information regarding payment by the user is received from the billing system.

US Pat. No. 10,110,758

DISPLAY DEVICE, DISPLAY CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

S-PRINTING SOLUTION CO., ...

1. A display apparatus, comprising:a display including a touch screen to display an image;
a detector to detect, by sensing on the touch screen a touch of a touch sensor of a portable image-forming apparatus while the touch sensor moves along the touch screen, an exposure speed of a movable exposure member of the portable image-forming apparatus that exposes an instant film to light using light emitted from the image displayed on the display; and
an image processor to adjust a brightness of the image displayed on the display based on the detected exposure speed to provide a same light quantity at each exposure position among a plurality of exposure positions of the movable exposure member to the instant film, to thereby compensate for a deviation in the exposure speed of the movable exposure member.

US Pat. No. 10,091,126

CLOUD SYSTEM, CONTROL METHOD THEREOF, MANAGEMENT SERVER AND CONTROL METHOD THEREOF

S-PRINTING SOLUTION CO., ...

1. A cloud system, comprising:a cloud database;
a first cache server to store first data in a first group among a first plurality of groups according to a first hit rate of the first data, the first plurality of groups being divided such that each group among the first plurality of groups corresponds to a different hit rate;
a second cache server to store second data in a second group among a second plurality of groups according to a second hit rate of the second data, the second plurality of groups being divided such that each group among the second plurality of groups corresponds to a different hit rate;
a first application server to access the first cache server to receive the first data and provide a first service based on the received first data;
a second application server to access the second cache server to receive the second data and provide a second service based on the received second data; and
a cloud management server to, when a resource of the first application server is exceeded:
copy the first data stored in the first group into the second group, the first hit rate of the first group being the same as the second hit rate of the first hit second group,
perform a control so that the second application server accesses the first data stored in the second cache server when a data processing request for data corresponds to the first data, and so that the second application server accesses the cloud database when the data processing request is for data not stored in the second cache server.

US Pat. No. 10,061,238

IMAGE FORMING APPARATUS WITH FUSER DRIVER AND METHOD FOR CONTROLLING THEREOF

S-PRINTING SOLUTION CO., ...

1. An image forming apparatus comprising:a fuser to fuse developed toner in the image forming apparatus onto a printing paper, and including a heating element; and
a processor to generate a driving signal and control to selectively provide alternating current (AC) power to the heating element of the fuser according to the generated driving signal,
wherein the processor identifies a phase angle of the received AC power using a zero cross signal,
wherein the phase angle of the received AC power is comprised of a first range of the phase angle, a second range of the phase angle, and a third range of the phase angle,
wherein the second range of the phase angle and the third range of the phase angle do not overlap the first range of the phase angle, and the first range of the phase angle is between the second range of the phase angle and the third range of the phase angle,
wherein the first range of the phase angle includes a peak voltage value and is symmetric about the peak voltage value, and wherein AC power of the first range of the phase angle has a current change greater than a predetermined value that causes flickering and noise,
wherein the second range of the phase angle is symmetric to the third range of the phase angle with respect to the peak voltage value, and wherein AC power of the second range of the phase angle has a current change smaller than the predetermined value that does not cause flickering and noise, and AC power of the third range of the phase angle has a current change smaller than the predetermined value and does not cause flickering and noise,
wherein, in a waiting state of the image forming apparatus, the processor generates the driving signal while the received AC power is within the second range of the phase angle or the third range of the phase angle, and avoids generating the driving signal while the received AC power is within the first range of the phase angle, and
wherein the first range of the phase angle is from 75 to 105 degrees.

US Pat. No. 10,061,240

FUSING UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME

S-PRINTING SOLUTION CO., ...

1. A fusing apparatus, comprising:a housing;
a fusing belt disposed inside the housing;
a pressing roller forming a nip with the fusing belt; and
a receiving portion disposed to face the fusing belt at a position corresponding to both ends of the fusing belt and spaced downwardly apart from the fusing belt in a gravity direction.