Image forming apparatus
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United States of America Patent
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Jan 27, 2015
Issued Date -
N/A
app pub date -
Sep 20, 2012
filing date -
Oct 31, 2011
priority date (Note) -
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Abstract
An image forming apparatus is configured to perform a collecting operation for moving the attached matter held on a holding roller onto the photosensitive drum and collecting the attached matter by a collecting unit. A bias control unit for controlling a bias applied to the holding roller is configured to: during an image forming operation, apply a first bias for moving the matter onto the holding roller; and during the collecting operation, apply a second bias for moving the attached matter onto the photosensitive drum. A speed control unit is configured to: control the holding roller to rotate at a first rotating speed during the image forming operation; and in a progress of the collecting operation, control the holding roller to rotate at a second rotating speed for a first period after the bias control unit applies the second bias to the holding roller.
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