Image forming apparatus capable of adjusting fixing conditions

摘要

An image forming apparatus which maintains proper fixing conditions through various situations. The apparatus includes a device for forming an unfixed image on a recording material; a fixing device for thermally fixing the unfixed image of the recording material; and a setting device for setting the fixing condition of the fixing device based on the number of image forming operations and the output of a temperature detecting element, which monitors the temperature of the heater in the fixing device.