Patent ID: 9046836
Filing Date: 2015-06-02
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: a fixing unit that includes a heater configured to emit heat by energization, a heated member to be heated by the heater, and a temperature-detecting unit configured to detect a temperature of the heated member and is configured to fix a toner image to a recording medium by heat from the heater; a power supply switch configured to turn on and off a power source for the image forming apparatus; a timer unit configured to count time; a backup memory configured to nonvolatilely store an accumulated time, the accumulated time being a total period of time during which the heater is energized, for detection of disconnection of power to the temperature-detecting unit after the power supply switch is turned on; and a controller configured to: recognize temperature of the heated member based on output from the temperature-detecting unit, control the energization of the heater, and start the energization of the heater when the power supply switch is turned on; wherein