An image forming apparatus, including an image forming unit configured to form an image on a sheet in an electro-photographic method and detachably attached to a body of the image forming apparatus; a chassis configured to accommodate the image forming unit and including an opening portion, through which the image forming unit is detachably attached to the body; a handle arranged in the image forming unit to protrude at least partly through the opening portion when the image forming unit is attached to the body; and a cover movable between a closed position, in which the opening portion is closed, and an open position, in which the opening portion is exposed, the cover including a protrusion cover configured to cover a protrusive part of the handle protruded through the opening portion when the cover is in the closed position, is provided.