Image forming apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorMin Gyu Kim
Life of this patent
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Abstract
An image forming apparatus, the image forming apparatus including: a toner cartridge including a memory to provide first authentication information, and an authentication key circuit to provide a second authentication information; and a controller to authenticate the toner cartridge when the first authentication information and the second authentication information are identical. Furthermore, the controller intentionally destroys the first authentication information or the second authentication information when there is no toner in the toner cartridge. Accordingly, it is possible to prevent an unauthorized use of the toner cartridge, and thus to perform an ideal print operation.
Claims11
An image forming apparatus comprising:
- a toner cartridge comprising a memory to provide first authentication information, and an authentication key circuit to provide second authentication information;
- and
- a controller to determine whether the first authentication information and the second authentication information are identical, and to authenticate the toner cartridge when the first authentication information and the second authentication information are identical.
Dependencies are inferred from the claim text.