| 摘要 |
A toner cartridge includes a toner cartridge main body having a cylindrical toner container that contains toner therein, a toner discharge port disposed on one end of the toner container, and a rotating shaft disposed on the other end of the toner container; and an annular IC chip holder that is fitted to the rotating shaft of the toner cartridge main body to rotate together with the toner cartridge main body, and has a notch formed in an outer peripheral surface in which an IC chip is mounted, wherein the IC chip holder rotates together with the toner cartridge main body until the IC chip holder is fixed to an IC chip contact holder having a contact member for contacting a terminal of the IC chip disposed in the image forming apparatus main body.
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