| 摘要 |
An image forming apparatus and corresponding method are disclosed. The apparatus includes at least one image bearing member configured to bear an image on a surface thereof, at least one drive member concentrically engaged with the at least one image bearing member corresponding thereto and configured to rotate the at least one image bearing member, and at least one detecting unit configured to detect a phase of the at least one drive member. In the image forming apparatus, the at least one drive member is adjusted to have a first phase difference arranged for a replacement of the at least one image bearing member. The first phase difference is different from a second phase difference arranged for an image forming operation.
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