Patent ID: 8263299

Claim:
An electrophotographic photoreceptor comprising: an electroconductive support; and a photosensitive layer on the electroconductive support, wherein the photosensitive layer has a dynamic hardness of from 20×10 9 to 150×10 9 N/m 2 and an elastic deformation ratio of from 15 to 80%; the photosensitive layer comprises a phenol resin-containing layer on the farthest side of the photosensitive layer from the electroconductive support, the phenol resin-containing layer comprising a phenol resin having a crosslinked structure and charge transporting property; the phenol resin is formed from: a phenol derivative having a methylol group; and a charge transporting material having a reactive functional group; the charge transporting material is represented by formula (IV): wherein F represents a n5-valent organic group having a positive hole transporting capability, T represents a divalent group, Y represents an oxygen atom or a sulfur atom, R 4 , R 5 and R 6 each independently represents a hydrogen atom or a monovalent organic group, R 7 represents a monovalent organic group, m1 represents 0 or 1, and n5 represents an integer of from 1 to 4, provided that R 6 and R 7 may be bonded to form a heterocyclic ring containing Y as a hetero atom; the photosensitive layer comprises an undercoating layer on a side of the electroconductive support, the undercoating layer comprises a composite of an acceptive compound having an anthraquinone structure and metallic oxide fine particles, and a thickness of the undercoating layer is from 15 μm to 50 μm.