ELECTROPHOTOGRAPHIC COPYING APPARATUS

摘要

TITLE OF THE INVENTION Electrophotographic Copying Apparatus An electrophotographic copying apparatus which is provided with an improved device for preventing disturbance or disorder of transferred images due to deterioration of a photoreceptor surface by harmful gases present within or around a corona charger, which preventing device includes air ducts for evacuating harmful gases out of the apparatus and a heating unit for maintaining the photoreceptor surface in a dry state.