| 摘要 |
PURPOSE:To collect toner without losing the storage capacity of a discharged toner box by providing at least one screw-cam in a toner collecting container and arranging an aperture part at the end part of the side where the conveyance by the screw-cam in the toner collecting container starts in the container. CONSTITUTION:A cleaning part 6 consists of a blade 6-1 which removes residual toner T on the surface of a photosensitive drum 1 after transferring, a 1st screw-cam 6-2 which conveys the discharged toner T which is removed, and the discharged toner box 6-3 which stores the discharged toner T. And in the discharged toner box 6-3, a 2nd screw-cam 6-4 is arranged to be possible to rotate, and the aperture part 6-5 is provided on the front surface of the end part of the box 6-3 which is arranged on a side opposite to a toner conveying direction B by th 2nd screw-cam 6-4. Then, in spite of varying the quantity of the discharged toner T which is removed in different places, the toner is stored from the bottom of the box 6-3 in a mountain shape and the toner of the top part is conveyed and the toner storing part is advanced successively. Then, the toner T can be efficiently stored in the box 6-3. |
