| 摘要 |
An electrophotographic image forming apparatus includes a cartridge detachably mountable to a main assembly of the apparatus, the cartridge including a photosensitive drum, a drum frame, a force receiving portion for receiving a driving force, and a regulated portion; a transfer member for transferring a developer image onto a toner image receiving member; a supporting member movable between an inside position, wherein the supporting member detachably supports the cartridge and an outer position, wherein the cartridge is mountable and demountable; a moving member capable of taking a first position, where the moving member urges the regulated portion to space the drum from the transfer member and a second position to contact the drum to the transfer member; and a regulating portion for engaging with the regulated portion to regulate rotation of the cartridge, and for permitting movement of the supporting member between the outer and inside positions.
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