To provide an electrophotographic photoreceptor which is hard, therefore, produces only a slight amount of wear of the surface layer even when being used repeatedly, can suppress generation of scratch, fluctuation of latent image potential, deterioration of charging ability, occurrence of image flow and production of a blot due to water, can suppress peeling from a boundary face because of excellent adhesiveness with the under layer and is excellent in endurance.
The electrophotographic photoreceptor has at least a photoconductive layer and a surface layer disposed on a conductive base, wherein the surface layer is formed with a deposit film which comprises: a photoconductive layer side area containing magnesium atom, fluorine atom and oxygen atom as principal constitutent atoms; and a surface side area containing magnesium atom and oxygen atom as principal constitutent atoms, the principal constitutent atoms in the photoconductive layer side area satisfy a composition formula MgFxOy (1) (in the formula, x denotes a number of 0.10 and 2.10 and y denotes a number of 0.05 and 1.20), and the principal constitutent atoms in the surface side area satisfy a composition formula MgOz (2) (in the formula, z denotes a number of 0.80 and 1.30).
AKIYAMA KAZUYOSHI
Ishibashi Masayuki
Masaaki Ogata