Image forming apparatus that forms image using multiple light emitting elements
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United States of America Patent
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Oct 7, 2014
Grant Date -
Jun 20, 2013
app pub date -
Nov 29, 2012
filing date -
Dec 20, 2011
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Abstract
An image-forming position displaces from an ideal position occurring due to a portion of a support substrate bending in a direction approaching a photosensitive drum. This displacement is set as a first gap data. Spot size expansion caused by bending of the support substrate can be reduced by using light amount control data that has been corrected in response to this first gap data. Furthermore, by using light amount control data corrected in response to second gap data that indicates displacement to an ideal position from exposure areas occurring due to decentering of the photosensitive drum, spot size expansion caused by decentering of the photosensitive drum can be reduced.
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