Patent ID: 7430385

Claim:
An image forming device comprising: a housing having an openable/closable door; a photoconductive drum for image formation arranged inside said housing at a part adjacent to said door and having a shaft serving as a center of rotation; a guide member having a groove; a transfer roll held in a holding member provided at said door and arranged to be adjacent to said photoconductive drum when said door is in a closed state; and a pressurizing member for pressurizing said transfer roll to a direction of said photoconductive drum, wherein an end portion of the shaft of said photoconduetive drum is fixedly inserted into said groove whereby a relative position between said guide member and said photoconductive drum is fixed, said holding member is provided with a convex portion, the convex portion of said holding member is inserted to be fixed in said groove such that a relative position of said transfer roll to said guide member is fixed when said door is in a closed state, and said door pivots about a connection portion with said housing so that said door can be opened and closed, said connection portion including a connecting convex portion formed at said housing, and an opening portion formed at said door for fixedly inserting said connecting convex portion, wherein a width of said opening portion in a direction that intersects a pivoting direction of said door is greater than a width of said opening portion in a direction along the pivoting direction of said door.