Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the electrophotographic photoreceptor
A photoreceptor including a photosensitive layer including a specific diamine compound, or a photoreceptor including an electroconductive substrate; a photosensitive layer located overlying the electroconductive substrate; and optionally a protective layer located overlying the photosensitive layer, wherein an outermost layer of the photoreceptor includes a filler, an organic compound having an acid value of from 10 to 700 mgKOH/g and a specific diamine compound. An image forming method, an image forming apparatus and a process cartridge using the photoreceptor are also provided. A method for manufacturing the photoreceptor including the steps of preparing a coating liquid including the filler, the organic compound, the specific diamine compound and an antioxidant; and coating the coating liquid is also provided.
Ricoh Company Limited
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Yasuo Tomoyuki Takaaki
Suzuki Shimada Ikegami