Patent ID: 8565637

Claim:
An image-forming device comprising: a main casing defining an accommodation space; a retaining member movably disposed between an accommodated position, in which the retaining member is accommodated inside the accommodation space, and a pull-out position; a plurality of developing units that are retained by the retaining member; a plurality of toner cartridges that are detachably attachable to the retaining member, one for each of the developing units, when the retaining member is at the pull-out position, each of the toner cartridges comprising: a casing in which a through-hole is formed for supplying toner accommodated inside the casing to the corresponding developing unit; and a shutter that is configured to move between an open position exposing the through-hole and a closed position closing the through-hole; and an operating member provided at the retaining member, the operating member being configured to be operated to move the shutter of a toner cartridge between the open position and the closed position by shifting between a first position corresponding to the closed position of the shutter in which the operating member extends above the retaining member, and a second position corresponding to the open position of the shutter in which the operating member has a lower profile than in the first position.