An image forming apparatus including a drawer and a main body. The drawer includes a frame holding a photosensitive drum rotatable about an axis extending in a first direction and a drawer-side connector including a drawer-side electrical contact part. The main body includes: a housing including a main body-side electrical contact part; a shaft extending in the first direction; a unit removably insertable to the housing; and a connection member. One end in a third direction intersecting with the first and second directions of the unit is fitted to the housing and the other end is supported to the shaft via the connection member. The main body-side connector is supported to the unit. The drawer-side electrical contact part and the main body-side electrical contact part are interconnected when the drawer is accommodated.