Image forming apparatus
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United States of America Patent
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Sep 9, 2014
Issued Date -
N/A
app pub date -
May 17, 2012
filing date -
May 30, 2011
priority date (Note) -
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Abstract
The image forming apparatus includes an image bearing member that bears a toner image, an image forming unit, an intermediate transfer unit, a primary transfer member, a cleaning member movable between a contact position and a non-contact position, a voltage application unit, a control unit, a current detection unit, wherein the control unit moves the cleaning member at the non-contact position, determines a transfer voltage based on a current value detected by said current detection unit when a predetermined voltage is applied from said voltage application unit to said primary transfer member before an image formation and in a condition where said cleaning member is at the non-contact position, and applies the transfer voltage to the primary transfer member in the image formation.
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