| 摘要 |
PROBLEM TO BE SOLVED: To provide a process cartridge and a drum cartridge, capable of stably pressing a developing roller against a photoreceptive drum, even when the storage capacity of a developer is increased.SOLUTION: In a process cartridge 1 including a drum cartridge 2 including a photoreceptive drum 4 and a developing cartridge 3 which includes a developing roller 7 and is attached to the drum cartridge 2, so that the developing roller 7 comes into contact with the photoreceptive drum 4, projections to be pressed 60L and 60R pressed by the pressing members 26L and 26R of the drum cartridge 2 are provided so as to project outward in a right and left direction from a developing frame 51 and the drum cartridge 2 is configured so as not to include a front wall. The projections to be pressed 60L and 60R are arranged closer to the photoreceptive drum 4 than a lock member 27.SELECTED DRAWING: Figure 1 |
