| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming device capable of suppressing fall of a fixing temperature at continuous fixing. <P>SOLUTION: An image forming device is provided with a fixing device 4 which has a heating means 9 for generating heat by electric power and thermally fixes an unfixed toner image 13a on a recording medium 13 to the recording medium 13, a main power source and an auxiliary power source 3 for supplying power to the fixing device, and a controller 6 for controlling a switching device 5 having a normal mode of connecting the main power source and the fixing device to supply power from the main power source 2 and an auxiliary mode of connecting the main power source and the auxiliary power source to the fixing device to supply power from both power sources 2 and 3. The controller has a temperature detection part 10 which detects the temperature of the fixing device, and the switching device is so controlled that the normal mode wherein the volume of supply power from the main power source is controlled on the basis of the detection temperature of the temperature detection part 10 may be switched to the auxiliary mode wherein the amount of supply power from both power sources is controlled independently of the detection temperature of the temperature detection part 10, at continuous fixing. <P>COPYRIGHT: (C)2004,JPO |
