| 摘要 |
PURPOSE:To surely carry out the driving of a photosensitive drum by reversely rotating a joint driving the photosensitive drum for a prescribed time after an image is completely formed and a cleaning blade is estranged. CONSTITUTION:An image forming part has a projecting part 317 and a recessed part 313, which fit each other, and the joint 310 which is energized by a elastic member 318 so as to maintain a fitting condition. Moreover, the image forming part is provided with the photosensitive drum 31 rotated and driven via the joint 310 and the cleaning blade 361 abutting on the photosensitive drum 31 so as to be estranged. After the image is completely formed, the cleaning blade 361 is estranged from the photosensitive drum 31, and then the joint 310 is reversely rotated for a prescribed time. Thus, the fitting condition of the project ing and recessed parts of the joint is loosen, and is surely maintained by the energization of the elastic member. |
