Patent ID: 8538290

Claim:
An image forming apparatus comprising: an apparatus main body that comprises an opening portion; a detachable constituent component that is detachably mounted in an interior of the apparatus main body through the opening portion; an opening/closing part that opens/closes the opening portion of the apparatus main body when the detachable constituent component is attached/detached; a holding part that holds the detachable constituent component so that the detachable constituent component is displaced to a detachment operating position and primary and secondary mounting completed positions as a result of linking with opening/closing operations of the opening/closing part, wherein the holding part changes positions between the primary mounting completed position and the secondary mounting completed position by being moved in the interior of the apparatus main body; and a connection part that is provided on the opening/closing part and in which a guide groove is formed which guides a projecting portion provided on the holding part when the detachable constituent component is being displaced from the detachment operating position to the primary or secondary mounting completed position, wherein the guide groove of the connection part includes a narrow portion through which the projecting portion is caused to pass while the detachable constituent component is being displaced from the detachment operating position to the primary or secondary mounting completed position, and wherein the narrow portion has a groove width which is narrower than an outer dimension of the projecting portion.