Patent ID: 8913930

Claim:
A developer carrying member, comprising: a mandrel; an elastic layer including a silicone rubber; and a surface layer covering a peripheral surface of the elastic layer, wherein the surface layer comprises: a binder resin, and a copolymer having a structural unit represented by the following structural formula (1) and a structural unit represented by the following structural formula (2): where R1 represents an alkyl group having 10 to 18 carbon atoms, R2 represents one of a methyl group and a hydrogen atom, R3 represents an alkylene group having 1 to 4 carbon atoms, and X − represents one of a chloride ion, a bromide ion, and a p-toluenesulfonic acid ion; and where R4 represents one of a methyl group and a hydrogen atom and R5 represents an alkylene group having 1 to 4 carbon atoms.