| 摘要 |
PROBLEM TO BE SOLVED: To provide a cartridge capable of securing the positioning accuracy of a first frame with respect to a second frame, even when distortion occurs in the first frame.SOLUTION: In a drum cartridge 18 including a photoreceptive drum 20, a base frame 52 arranged to face the photoreceptive drum 20 below the photoreceptive drum 20 and a cover frame 53 arranged to face the photoreceptive drum 20 above the photoreceptive drum 20 are positioned to positions deviated from each other by almost 90° in the rotational direction of the photoreceptive drum 20. |
