Patent ID: 7801460

Claim:
An image-forming apparatus comprising: an apparatus body; and toner cartridges of multiple colors that are detachably mounted in the apparatus body, wherein each of the toner cartridges comprises: a toner cartridge body; and a storage medium that is separably mounted on the toner cartridge body, wherein the apparatus body comprises: a substratum; a rotary developing unit provided rotatably around a rotation axis with respect to the substratum, in which a toner cartridge housing section of each color is formed around the rotation axis, and the toner cartridge body of each color is attached and detached with respect to the toner cartridge housing section of the corresponding color, at a replacement position common to each color; and a separation mechanism provided at a different position for each color in the substratum, which separates the storage medium from the toner cartridge body and holds the storage medium when the toner cartridge body of the corresponding color is mounted in the rotary developing unit, and wherein in the toner cartridge of each color, the storage medium is arranged at a position on the toner cartridge body corresponding to a position of the separation mechanism of the color.