Patent ID: 8722289

Claim:
An electrophotographic photoreceptor comprising a sheet-shaped conductive substrate and a photosensitive layer provided thereon, wherein the electrophotographic photoreceptor contains both a photosensitive layer-uncoated area and an insulated part within the sheet surface, and the photosensitive layer contains a copolycarbonate resin having a repeating structure represented by the following general formula (1): wherein R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom or an alkyl group having 4 or less carbon atoms, Z forms a saturated cyclic aliphatic alkyl group having 5 to 8 carbon atoms including the carbon atom to be bonded, and the saturated cyclic aliphatic alkyl group has one to three methyl groups as substituent(s), wherein the photosensitive layer is the outermost layer of the electrophotographic photoreceptor.