Image forming apparatus having means to disable a drive force when an apparatus cover is opened

摘要

An image forming apparatus has an apparatus housing having a releasible and movable side frame, and a stationary side frame, a photosensitive unit having a photosensitive member and which is detachably mounted on the movable side frame, and an intermediate transfer unit having an intermediate transfer member for temporarily receiving a transferred toner image formed on the surface of the photosensitive member in a primary transfer, and transferring the temporarily transfer toner image to a recording sheet in a secondary transfer, the intermediate transfer unit being detachably mounted on the movable side frame.