1. An image forming apparatus comprising:
a first feeding path configured to feed toner collected from an image forming station;
a collection container detachably mountable to said image forming apparatus and configured to accommodate the collected toner
fed through said first feeding path; and
a shutter unit including a second feeding path movably connected with said first feeding path and capable of connecting with
said collection container, and a shutter configured to open and close a connecting portion between said second feeding path
and said collection container by sliding in a direction crossing with said second feeding path in response to mounting and
demounting of said collection container.