An image forming apparatus includes: a main assembly; a first unit openable relative to the main assembly; a second unit which is provided inner than the first unit and which is openable relative to the main assembly; two engaging portions, provided on the second unit, for placing the second unit in a closed state in engagement with the main assembly; and an urging portion, provided in the first unit, for urging the second unit. The second unit is urged by the urging portion of the first unit so that a state of the second unit is capable of being changed from an open state to the closed state. The urging portion urges a region in a neighborhood of a central portion of the second unit with respect to a direction of arrangement of the two engaging portions.