| 摘要 |
The image formation apparatus comprises an image substrate, a rotating unit that rotates said image substrate, a bias applying unit which applies a charge bias to the image substrate, a development unit that supplies a toner onto the image substrate, and a cleaning blade that removes the material deposited on the image substrate. A deposit removal operation is performed at a predetermined time while no charge bias is applied. The deposit removal operation includes rotating the image substrate, supplying the toner to the image substrate to an extent that upcurve of the cleaning blade is not caused, and removing the deposited material.
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