Patent ID: 8526834

Claim:
An image forming apparatus being characterized by having: an obtainer to obtain: first information indicating that a toner cartridge has been replaced or a toner cartridge needs to be replaced; and second information indicating a log of fusing conditions for the image forming apparatus to perform image forming; a determiner to determine the type of a replacement toner cartridge to be loaded in place of the toner cartridge causing the first information, on the basis of the second information, when the first information is received by the obtainer; an output portion to output an instruction to deliver a replacement toner cartridge of the type determined by the determiner; a detector to detect that a toner cartridge has been replaced; and a fuser to perform a fusing process under one of the fusing conditions, the one being optimal for the amount of toner supplied, after the detector detects that the toner cartridge has been replaced with the replacement toner cartridge delivered in accordance with the delivery instruction.