Patent ID: 8385788

Claim:
An image forming device comprising: a main body; a holding member movable relative to the main body between an accommodated state and a withdrawn state, the holding member being accommodated within the main body in the accommodated state and being pulled out from the main body in the withdrawn state, the holding member having therein a plurality of photosensitive members and a plurality of developing devices each corresponding to each photosensitive member, each photosensitive member extending in a first direction; a plurality of operation members disposed on the holding member, each operation member extending in the first direction and disposed in one-to-one correspondence with the plurality of developing devices; and a plurality of developer cartridges detachably mountable on the holding member in one-to-one correspondence with the plurality of developing devices, each developer cartridge extending in the first direction and storing developer therein, each developer cartridge being formed with an opening and having a shutter member linearly movable between an open position and a closed position in the first direction, the shutter member opening the opening at the open position to allow the developer to flow to the corresponding developing device and closing the opening at the closed position to prevent the developer from flowing out of the developer cartridge, each operation member being linearly movable in the first direction to move the shutter member between the open position and the closed position.