Patent ID: 8285174

Claim:
A color electrophotographic image forming apparatus for forming an image on a recording material, said apparatus comprising: a main assembly; a cartridge supporting member movable relative to said main assembly in a state of supporting a plurality of cartridges, said cartridge supporting member being movable between an outer position which is outside said main assembly and in which all of the cartridges are mountable and demountable and an inner position which is inside said main assembly; a rotatable belt which is disposed below said cartridge supporting member when said cartridge supporting member is in the inner position; an opening which is provided in said main assembly and through which said cartridge supporting member is movable when said cartridge supporting member moves between the inner position and the outer position; and an openable member movable relative to said main assembly between a closing position for closing said opening and an open position for opening said opening, wherein when said cartridge supporting member is in the outer position, said cartridge supporting member is supported by said openable member in the open position in an inclined state in which a downstream side of said cartridge supporting member with respect to a drawing direction of said cartridge supporting member is lower than an upstream side of said cartridge supporting member.