Patent ID: 8666278

Claim:
An image forming apparatus comprising: a door openable with respect to an opening provided in a main assembly of said image forming apparatus; a first cartridge detachably mountable to the main assembly of said image forming apparatus in a state in which said door is open; a second cartridge detachably mountable to the main assembly of said image forming apparatus provided above said first cartridge; a contact portion, provided on said door, contactable to said second cartridge in a state in which said door is closed; and a mounting and demounting path regulating member, provided on said door, for regulating said first cartridge so that said first cartridge passes along a non-interference path with said contact portion by being contacted to said first cartridge when said first cartridge is demounted from said image forming apparatus, wherein said first cartridge has a clearance portion for avoiding contact to said mounting and demounting path regulating member when said door is closed.