Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Image forming apparatus employing electrophotographic photoconductor
 An image forming apparatus has a charging unit, an image exposure unit, a reversal development unit, an image transfer unit, and an electrophotographic photoconductor including an electroconductive support and a photoconductive layer formed thereon, the photoconductive layer being provided by coating and drying a photoconductive layer formation liquid containing a solvent, with a change in the content of the solvent in the photoconductive layer dried being 10% or less 24 hours after the drying thereof. 
Ricoh Company, Ltd.
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Takehiko Yasuo
Kinoshita Suzuki