To easily and surely perform switching, employment and controlling of an image forming apparatus accompanying with a change of maintenance contract classification.

A firmware renewing module of the image forming apparatus for renewing a firmware of the image forming apparatus corresponding to maintenance contract of the image forming apparatus, and a profile indicating module for indicating a set item corresponding to the maintenance contract and setting of a set value corresponding to the set item to the image forming apparatus, are read into the image forming apparatus. The image forming apparatus updates the firmware based on the firmware updating module, and based on the indication of the profile indicating module, sets the setting item corresponding to the maintenance contract of the image forming apparatus and a set value corresponding to the setting item.