Patent ID: 8886059

Claim:
An image forming device comprising: a main casing; a support member movable between an accommodated position within the main casing and a pulled-out position outside the main casing, the support member being formed with a plurality of cartridge accommodating sections, each of the cartridge accommodating sections having a first side and a second side on a downstream side of the first side with respect to a first direction; a plurality of cartridges, each accommodated in a corresponding one of the cartridge accommodating sections so as to be detachable from the corresponding cartridge accommodating section when the support member is located at the pulled-out position, the cartridges being of a plurality of different types and each cartridge including a casing and a shutter; and a plurality of developing units supported on the support member and corresponding to the plurality of cartridge accommodating sections, wherein the support member includes a plurality of cover members, the plurality of cover members being provided in correspondence with the plurality of cartridge accommodating sections, respectively, each cover member movable between an opening posture in which the cover member exposes the first side of the corresponding cartridge accommodating section and a closing posture in which the cover member opposes the first side of the corresponding cartridge accommodating section, each cover member being provided with a preventing unit configured to prevent any cartridges of those types that are different from a type corresponding to the corresponding cartridge accommodating section from being accommodated into the corresponding cartridge accommodating section, wherein the casing accommodates toner therein and is formed with an opening for supplying the toner to the corresponding developing unit, the opening faces in the first direction in a condition that the cartridge is accommodated in the corresponding cartridge accommodating section, and the shutter is movable between an opening position at which the shutter exposes the opening and a closing position at which the shutter closes the opening, and wherein each cover member is configured such that in a condition that a cartridge of a corresponding type is accommodated in the corresponding cartridge accommodating section, the cover member moves the shutter of the cartridge from the closing position to the opening position in association with movement of the cover member from the opening posture to the closing posture.