| 摘要 |
An imaging apparatus includes a toner ejection mode whereby toner stored in a black developing container is completely removed from the developing container by rotating a rotary developing unit at a specific timing and using gravity and the centrifugal force that acts on the toner stored in the black developing container due to this rotation, or using the vibration that acts on the black developing container when the rotation is stopped. In this toner ejection mode, the toner is ejected from the developing container of the rotary developing unit, an image for a single sheet of recording paper is formed on the surface of a photoreceptor drum, and the toner constituting the image transferred onto the surface of an intermediate transfer belt by the photoreceptor drum is then recovered by a belt-cleaning unit.
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