Patent ID: 8086137

Claim:
An image forming apparatus comprising: a body casing; a cartridge accommodating unit configured to move between a first position where the cartridge accommodating unit is stored in the body casing, and a second position where the cartridge accommodating unit is withdrawn from the body casing, the cartridge accommodating unit being configured to move between the second position and a third position where the cartridge accommodating unit is completely removed from the body casing; a cartridge including a developing roller, wherein the cartridge is configured to be removed from and received in the cartridge accommodating unit when the cartridge accommodating unit is placed in the second position; and a control member configured to move between a holding position in which the cartridge accommodating unit is allowed to move between the first position and the second position and is prevented from moving between the second position and the third position, and a release position where the cartridge accommodating unit is allowed to move between the second position and the third position, wherein, when the control member is placed in the release position, the cartridge accommodating unit is prevented from moving from the first position to the second position.