| 摘要 |
A developing device is opposed to a photosensitive drum which is rotated in one direction, and develops a latent image formed on the photosensitive drum. The developing device is provided with a first developing roller which is rotatably arranged to oppose the photosensitive drum and holds a first developing agent, and a second developing roller which is rotatably arranged to oppose the photosensitive drum, located adjacent to the first developing roller along one direction and holds a second developing agent. The first developing roller is rotated in one direction, to supply the first developing agent onto the photosensitive drum, and the second developing roller is rotated in a direction opposite to the direction to supply the second developing agent onto the photosensitive drum.
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