Patent ID: 8467701

Claim:
A color electrophotographic image forming apparatus for forming an image on a recording material, comprising: an image forming unit including: a transfer member for transferring a developed image formed on an electrophotographic photosensitive drum onto the recording material; and mounting portions for demountably mounting cartridges arranged substantially in a vertical direction, wherein said image forming unit is movable, in a state that each of the cartridges is demountably mounted to a respective one of said mounting portions, between a transfer position for transferring the developed image from said transfer member onto the recording material in a main assembly of the image forming apparatus, and a mounting and demounting position, different from the transfer position, for mounting and demounting the cartridges relative to said respective mounting portions; and a guide portion including: a first path for mounting and demounting a first cartridge of the cartridges relative to a topmost mounting portion of said mounting portions; and a second path, different from said first path, for mounting and demounting the first cartridge relative to said topmost mounting portion.