| 摘要 |
An electrophotographic photosensitive drum includes a cylinder having a photosensitive layer formed thereon, with the cylinder being rotatable about an axis thereof. A drum flange is provided at a longitudinal end of the cylinder, with the drum flange including (i) a gear encircling a peripheral portion of the drum flange, (ii) a hollow portion, provided inside of the drum flange having an opening disposed on a side of the drum flange opposite from the cylinder, and (iii) a rim provided between the gear and the cylinder in a longitudinal direction of the cylinder and projected more radially-outward of the drum flange than a peripheral portion of the cylinder. |
