Image forming apparatus with belt adjustment
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United States of America Patent
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-
Sep 9, 2014
Grant Date -
Aug 18, 2011
app pub date -
Jan 31, 2011
filing date -
Feb 18, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An image forming apparatus includes a rotatable belt member, a plurality of image forming members opposing the belt in an image forming region, a first detecting member configured to detect a position of the belt member with respect to a widthwise direction, a second detecting member configured to detect a moving direction, an adjusting roller configured to adjust the moving direction in the image forming region, the adjusting roller configured to adjust the moving direction in the image forming region, and a control portion configured to control a position of the adjusting roller on the basis of outputs of the first detecting member and the second detecting member without changing a position of the belt member in the image forming region in a direction perpendicular to a surface of the belt member.
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