An image forming apparatus includes an image forming unit having a rotatable image bearing member, a first support side plate, and a second support side plate; a development device; a transfer device; a rotatable stay; an operation portion; and a toner containing portion. The rotatable stay is disposed at a position downstream of the development device and upstream of the transfer device with respect to a rotation direction of the image bearing member to face the image bearing member and to connect the first support side plate and the second support side plate. The operation portion is provided at an end portion of the stay to rotate the stay. The toner containing portion contains the toner accumulated on the stay.