| 摘要 |
An image forming apparatus includes a power transmitting gear, which is meshed with a photosensitive drum gear and is connected to a developing roller through a belt, and an idler gear, which is provided between the power transmitting gear and a feeding roller gear, to indirectly transmit driving force from the photosensitive drum gear to the feeding roller and to the developing roller gear. Accordingly, a predetermined nip is maintained between the respective rollers, and the rollers are operated at a constant velocity.
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