| 摘要 |
PROBLEM TO BE SOLVED: To provide constitution for making the filming of a photoreceptor removable by a developing device, in a device for recovering untransferred toner to the developing device. SOLUTION: The image forming device is provided with a rotatably supported photoreceptor 12, a roller 28 arranged to face the photoreceptor and a sleeve 30 having an inside diameter a little larger than the outside diameter of the roller 28 and sheathing the roller 28 and constituted so that the outer peripheral of the sleeve except a part facing the photoreceptor is pressed on the roller 28, to form a sleeve swelling part 34 in the part facing the photoreceptor 12 and the swelling part 34 comes into contact with an image carrier. The image forming device has a changeover to a first state where the roller 28 stays away from the sleeve 30 in the part facing the photoreceptor 12 and a second state where the roller 28 is in contact with the image carrier with the sleeve 30, in the part facing the image carrier. |
