| 摘要 |
PURPOSE:To perform replenishing of the toner and discarding of the cleaning toner through exchanging of a photosensitive drum by so constituting a cleaning toner housing chamber that the cleaning toner is taken in from a cleaning means. CONSTITUTION:A photosensitive drum 2 has openings 10, 10' at its end face 9, and its inside is partitioned to two by a partition plate 11 and is so constituted that the fresh toner 12 is housed in one side and the cleaning toner 13 recovered by a cleaning mechanism 8 is housed in the other side. The plate 11 is constituted of a cylindrical member 14 having a diameter slightly smaller than the inside diameter of the drum 2 and a wall face 15, and is constituted movably in the inner side of the drum 2. |
