Patent ID: 8238786

Claim:
An electrophotographic image forming apparatus for forming an image on a recording material in the state that a cartridge is detachably mounted to a main assembly of said electrophotographic image forming apparatus, said electrophotographic image forming apparatus comprising: a cartridge supporting member movable between an inside position in said main assembly of said apparatus and an outside position outside said main assembly of said apparatus when a cartridge is mountable thereto and dismountable from said cartridge supporting member; a first opening through which said cartridge supporting member passes between the inside position and the outside position; a first openable member for openably closing said first opening; a second opening continuing from said first opening and provided above said first opening, said second opening being effective to permit the cartridge to be removed from said cartridge supporting member in the state that said cartridge supporting member takes the outside position and being effective to permit said cartridge supporting member to support said cartridge; a second openable member for openably closing said second opening, said second openable member being effective to prevent external light from entering said main assembly of said apparatus when said second openable member closes said second opening; and interrelating means for moving said second openable member to the open position in interrelation with movement of said cartridge supporting member from the inside position to the outside position.