Patent ID: 8918014
Filing Date: 2014-12-23
Classification: G03G

Abstract:
1. An electrophotographic image forming apparatus for forming an image on a recording material, said electrophotographic image forming apparatus comprising: a main assembly; a cartridge detachably mountable to said main assembly, said cartridge including a first unit having an electrophotographic photosensitive member, and a second unit pivotably connected with said first unit and having a developing roller for supplying developer to said electrophotographic photosensitive member; an opening, provided in said main assembly, for permitting mounting and demounting of said cartridge; an openable member, provided in said main assembly, for openably closing said opening; an exposure device, provided on said openable member, for exposing said electrophotographic photosensitive member; and a first positioning portion, provided in said main assembly, for positioning said first unit, wherein said exposure device is provided with a second positioning portion for positioning said second unit so that said second unit does not rotate relative to said first unit, and said second positioning portion being directly engaged with said second unit by closing said openable member.