Patent ID: 7341810

Claim:
An electrophotographic photoreceptor, comprising: a conductive substrate; an undercoat layer located overlying the conductive substrate; a photosensitive layer located overlying the undercoat layer and comprising: a charge generation layer located overlying the undercoat layer; and a charge transport layer located overlying the charge generation layer, wherein, when the charge generation layer is irradiated in the absence of the charge transport layer with light in a range of from 360 nm to 740 nm having the highest reflectivity for the charge generation layer, the charge generation layer has a reflectivity of from 15 to 21%, and wherein the electrophotographic photoreceptor satisfies the following relationship: 12 (V/μm) ≦ electric field intensity (V/D)≦35 (V/μm), wherein D (μm) represents a thickness of the charge transport layer of the electrophotographic photoreceptor and V (V) represents an absolute potential of the surface of the electrophotographic photoreceptor due to charging.