Patent ID: 8792804

Claim:
An image forming device comprising: a main casing; a support member movable in a predetermined direction relative to the main casing between an accommodated position within the main casing and a pulled-out position outside the main casing; a plurality of image bearing members supported on the support member and aligned in a line at intervals in the predetermined direction; a plurality of developing units supported on the support member and provided in one-to-one correspondence with the plurality of image bearing members; a plurality of toner cartridges provided in one-to-one correspondence with the plurality of developing units and detachably mounted on the support member, wherein each toner cartridge includes a casing formed with an opening through which toner accommodated in the casing is supplied to the corresponding developing unit and a shutter movable between an opening position at which the shutter opens the opening and a closing position at which the shutter closes the opening; a plurality of shutter driving members provided in one-to-one correspondence with the plurality of toner cartridges, wherein each of the shutter driving members moves the corresponding shutter between the opening position and the closing position when supplied with a driving force; a driving force generating member that is disposed in the main casing and that generates the driving force when the support member moves between the accommodated position and the pulled-out position; and a driving force transmitting mechanism that is disposed on the support member and that transmits the driving force generated by the driving force generating member to the shutter driving members to move each corresponding shutter between the opening position and the closing position.