| 摘要 |
PURPOSE:To execute easily a replacement by forming as one body a photosensitive drum, a developing means and a cleaner means, and constituting a unit. CONSTITUTION:A photosensitive drum 1, a developing device A, a cleaner C, a destaticizing lamp EL1 and an electrifier 2 are incorporated in a replacing unit 31. As in case when a developing toner 19 is gone, when life of an image forming means incorporated in the replacing unit 31 comes to an end, the whole replacing unit 31 is drawn out of a copying machine body T, and other replacing unit consisting of the same constitution is inserted. Since several image forming means are replaced in the lump, it is unnecessary to provide a position lock means on each means, and also a relative position between each means is held exactly. |
