Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge for image forming apparatus using the electrophotographic photoreceptor
An electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer on the electroconductive substrate, wherein the photosensitive layer includes at least a compound having a substituted or unsubstituted alkylamino group and a charge transport material, and wherein an oxidation potential (Eox1) of the substituted or unsubstituted alkylamino group and an oxidation potential (Eox2) of the charge transport material satisfy the following relationship (I):Eox1−Eox2≧−0.2.  (I)
Ricoh Company, Ltd.
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Takaaki Tomoyuki Yasuo
Ikegami Shimada Suzuki