| 摘要 |
A developing device includes a developing roller that supplies two-component developer from a developer container to an image carrier, and a first developer supplying unit and a second developer supplying unit arranged in parallel, one closer to the developing roller than the other is to the developing roller. The first developer supplying unit and the second developer supplying unit circularly convey the two-component developer while stirring the two-component developer to supply the two-component developer to the developing roller. The first developer supplying unit and the second developer supplying unit supply different amounts of the two-component developer.
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