Mitsubishi Kasei Corporation

Kazuyuki Mito

Shigenori Otsuka

Itaru Ogawa

Disclosed herein is an electrophotographic apparatus and method which repeatedly use an electrophotographic photoreceptor having on an electroconductive support a photosensitive layer formed by dispersing a charge-generating substance in a binder containing a charge-transporting substance and a binder resin and a means or step for optically erasing the residual charges on the photoreceptor after transfer, the main component of a light used in the means for optically erasing the residual charges having the wavelength range which satisfies the condition defined in the formula (1):

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Machida, Japan

Kazuyuki Mito