| 摘要 |
A photosensitive unit for an electrophotographic image forming apparatus includes a photosensitive medium, and a frame supporting the photosensitive medium. A cover covers an exposed portion of an outer circumference of the photosensitive medium that is not covered by the frame. Additionally, the image forming apparatus includes a photosensitive medium on which an electrostatic latent image is formed. Developing units develop the electrostatic latent image into visible images by supplying developers onto the electrostatic latent image of the photosensitive medium. The visible image is transferred onto a transfer medium. A photosensitive unit includes the photosensitive medium, a frame supporting the photosensitive medium, and a cover covering an exposed portion of an outer circumference of the photosensitive medium that is not covered by the frame.
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