Patent ID: 8638457

Claim:
A method of managing part information of an image forming apparatus, the method comprising: determining whether first specific information of the image forming apparatus is identical to second specific information of an exchangeable part to be installed in the image forming apparatus; changing the first specific information of the image forming apparatus or the second specific information of the exchangeable part by change of the specific information permission from a web server such that the first specific information of the image forming apparatus matches with the second specific information of the exchangeable part, if the first specific information of the image forming apparatus is not identical to the second specific information of the exchangeable part, wherein the exchangeable part includes at least one of an ink cartridge, a toner cartridge, a developer unit, a photosensitive unit, a print medium feeding unit and a print medium discharge unit; and outputting a change permission command from the web server to the image forming apparatus according to the request from the image forming apparatus, wherein the image forming apparatus changes the first specific information of the image forming apparatus or the second specific information of the exchangeable part when the change permission command is received by the image forming apparatus such that the first specific information of the image forming apparatus matches with the second specific information of the exchangeable part.