Patent ID: 7483649

Claim:
An image forming apparatus comprising: a plurality of image forming units, each having an image bearing member and attachable to or detachable from a main body of the image forming apparatus; an intermediate transferring member disposed above said plurality of image forming units and bearing toner images transferred from said image bearing members of said image forming units; an open/close member having one end and another end, said open/close member supporting said intermediate transferring member and forming an opening portion to attach or detach said plurality of image forming units by pivoting the another end of said open/close member around a rotation axis provided at the one end of said open/close member; a guide portion provided on the main body of the image forming apparatus, for guiding one of said plurality of image forming units when said one of said plurality of image forming units is attached to or detached from the main body of the image forming apparatus; and an inclined portion provided on said guide portion, said inclined portion being inclined so that an upstream portion in an insertion direction of said one of said plurality of image forming units is positioned at a side of the another end of said open/close member with regard to a downstream portion in the insertion direction of said one of said plurality of image forming units, wherein a position of said intermediate transferring member is fastened in a state in which said open/close member is opened when one of said plurality of image forming units is attached to the main body of the image forming apparatus, and an angle defined between said inclined portion and a horizontal direction is smaller than an angle defined between a direction along an externally appearing surface of said intermediate transferring member and the horizontal direction.