Patent ID: 7949264

Claim:
The image forming apparatus, comprising: a cartridge memory which is provided in a toner cartridge to memorize an identification information of the toner cartridge; an identification information acquisition unit which acquires the identification information from the cartridge memory of the toner cartridge mounted on the image forming apparatus; an identification information memory unit which memorizes the identification information acquired by the identification information acquisition unit; and an identification information identity determination unit which determines whether the identification information of the cartridge mounted on the image forming apparatus coincides with the identification information memorized in the identification information memory unit, wherein, when a recovery operation contains an operation to turn on a power supply, a toner supply control performs the toner supply operation when it is determined that the identification information of the mounted cartridge is different from the identification information memorized in the identification information memory unit by the identification information identity determination unit, the toner supply control does not perform the toner supply operation when it is determined that the identification information of the mounted cartridge coincides with the identification information memorized in the identification information memory unit by the identification information identity determination unit.