An organic photoreceptor for an electro-photography, comprising a conductive support member and at least a light sensitive layer, an comprising a toner image forming surface of the photoreceptor having a surface roughness Ra between 0.02 .mu.m and 0.1 .mu.m and a surface roughness Rz between 0.1 .mu.m and 1 .mu.m, and an image forming apparatus comprising the same are disclosed.