Process cartridge mounting and demounting mechanism and process cartridge

摘要

A mounting and demounting mechanism for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the process cartridge including an electrophotographic photosensitive member and a process device actable on the electrophotographic photosensitive member. The electrophotographic image forming apparatus include a transfer roller for transferring an image onto a recording material. The mounting and demounting mechanism includes an opening through which the process cartridge is mounted and demounted; a cartridge mounting member; and a mounting member holder for movably holding the cartridge mounting member at a first position in which the process cartridge is detachably mountable and a second position in which the process cartridge is capable of performing an image forming operation.