8. A cleaning blade comprising:
an edge layer which includes an edge portion and which is formed of a first resin material;
a base layer which is provided superposedly on the edge layer so as to support the edge layer with respect to a thickness
direction of the cleaning blade and which is formed of a second resin material different from the first resin material; and
a hardened portion, provided at a part of the edge layer including the edge portion, subjected to hardening so as to be harder
than another portion of the edge layer,
wherein the hardened portion has a length shorter than a length of the edge layer with respect to the thickness direction.