| 摘要 |
PURPOSE:To remove offset developer adhering to the surface of a belt and the surface of a pressure roller, to prevent the deterioration of an image and to improve the durability of a belt by installing a cleaning member which performs cleaning when the temperature of the pressure roller rises. CONSTITUTION:A paper is heated by an exothermic heater 1 based on the change of the resistance value of a thermistor 2 through the film belt 3. Next, the paper is slightly pressed to the belt 3 by a peeling preventing roller 7 so that natural peeling is not caused while keeping a high temperature state immediately after passing a heating part. Then, the paper and the belt 3 are cooled by making outside air blow by a fan 8 from the back surface of the paper. Consequently, the paper is pressed to the belt 3 with wind pressure, and the natural peeling is not caused until the cooling is completed. Then, the paper is separated by a separation roller 11. A blade 5 constituted of a pad 6 and a web, etc., is installed in the pressure roller 4, and the surfaces of the belt 3 and the roller 4 are cleaned. The cleaning is performed in a heating state at any time, before and after actions, an acting time or a stopping time. |
