| 摘要 |
A cleaning device includes a cleaning unit configured to remove toner on an image bearing member, a container adapted to contain the removed toner that is recovered, a screw configured to convey the removed toner toward the container, a spherical moving member configured to be moved by the rotation of the screw in the direction of the rotation axis of the screw, and a driving unit configured to rotate the screw in a first direction for conveying the moving member toward the container and in a second direction opposite from the first direction for conveying the moving member.
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