Patent ID: 8532507
Filing Date: 2013-09-10
Classification: G03G

Abstract:
1. An image-forming apparatus comprising: a main body; a first toner cartridge that is a genuine toner cartridge without a memory device, wherein the first toner cartridge is a toner cartridge supplied with the main body; a cartridge installation part configured to receive at least two different types of toner cartridges, wherein the at least two different types of toner cartridges include the first toner cartridge, and a second toner cartridge that is a genuine toner cartridge with a memory device and is to be supplied as a replacement for the first toner cartridge; a reader configured to retrieve data from the memory device in the second toner cartridge received in the cartridge installation part; and a memory configured to store data for use in determining whether or not a toner cartridge received in the cartridge installation part is the first toner cartridge supplied with the main body.