Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Image forming apparatus
An image forming apparatus has at least a photoconductor, a charger, and an irradiator for irradiating a light for optically writing in on the photoconductor to form a latent electrostatic image using a process for electrophotography in which a resolution of the optical writing in operation is 1200 dpi or more. Further, the optical writing operation is performed using a laser beam having a diameter of 35 &mgr;m or less. The photoconductor is provided with at least a charge generating layer containing a charge generating substance and a charge transporting layer containing a charge transporting substance. The charge transporting layer has a carrier mobility of 1&times;10&#8722;5 cm2&middot;V&#8722;1&middot;sec&#8722;1 or more under an electric field of 3&times;105 V&middot;cm&#8722;1.
Ricoh Company, Ltd.
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Kei Nozomu Yasuo
Yasutomi Tamoto Suzuki