Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor

摘要

An electrophotographic photoreceptor including an electroconductive substrate; an undercoat layer overlying the electroconductive substrate; and a photosensitive layer overlying the undercoat layer, wherein the undercoat layer includes a titanium dioxide; an oil-free alkyd resin; a blocked isocyanate compound; and a metal oxide different from the titanium dioxide, having an average particle diameter smaller than an average particle diameter thereof. <IMAGE>