| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily and accurately align an image-holding body gear provided at the end of an image-holding body. <P>SOLUTION: A mark part 130 of a drum gear 110 is aligned to be located on an extension line, in the extending direction of an alignment part 162 of the semicircular part 160 of the housing 152 of a photoreceptor unit 150. By looking at the mark part 130 with the alignment part 162 as though in a sighting device, when the mark part 130 is aligned in this way, the mark part 130 is located on the extension line in the extending direction of the alignment part 162 without fail, dislocation of alignment position due to the viewing angle is prevented. Operation to align the mark part 130 with the alignment part 162 is performed easily and accurately. <P>COPYRIGHT: (C)2009,JPO&INPIT |
