Patent ID: 7927774
Filing Date: 2011-04-19
Classification: G03G

Abstract:
1. An electrophotographic apparatus comprising an electrophotographic photosensitive member, a charging means, an exposure means, a developing means, and a transferring means, wherein the exposure means is for irradiating the electrophotographic photosensitive member with light having a wavelength of 380 to 450 nm as exposure light, wherein the electrophotographic photosensitive member comprises a support, a charge generation layer provided on the support, and a charge transport layer provided on the charge generation layer, wherein the charge transport layer is a surface layer of the electrophotographic photosensitive member, and contains a binder resin and a charge transport material, wherein the charge transport material consists of a triarylamine compound, wherein the binder resin consists of an aliphatic dicarboxylic acid polyester resin having repeating structural units consisting of repeating structural units each represented by formula (1): where R where R wherein the aliphatic dicarboxylic acid polyester resin has a weight average molecular weight of 80,000 or more.