Image forming apparatus that forms color images on recording sheet based on image information
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United States of America Patent
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Sep 16, 2014
Issued Date -
N/A
app pub date -
Apr 20, 2012
filing date -
Apr 22, 2011
priority date (Note) -
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Abstract
An image forming apparatus having below arrangements. A plurality of image forming units form a plurality of images which are transferred onto a transfer belt. A detection unit detects a position of the transfer belt in a belt width direction. A position adjusting unit adjusts the position of the transfer belt in the belt width direction according to a detected position. A calibration unit calibrates an adjustment amount for adjusting color registration based on a detected position of patterns formed onto the transfer belt. A registration adjusting unit adjusts image forming positions of the plurality of image forming units based on the set adjustment amount. During formation of the patterns and during detection of the formed patterns a control unit controls not to adjust the position of the transfer belt in the belt width direction according to the detected position of the transfer belt.
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