Correction method for image forming apparatus
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United States of America Patent
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Mar 20, 2018
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app pub date -
Jul 14, 2016
filing date -
Jul 16, 2015
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Abstract
A correction method for an image forming apparatus including: a light source including light emitting points, a photosensitive member configured to rotate in a first direction, and a deflecting unit configured to deflect light beam emitted from the light source in a second direction orthogonal to the first direction to form scanning lines, the correction method including a correction step of correcting sparseness and denseness of density in the first direction caused by deviation of the scanning lines by moving a predetermined pixel in the first direction in accordance with the deviation, and causing a pixel value of the predetermined pixel to be output in accordance with movement of the predetermined pixel, wherein the correction step corrects the sparseness and denseness of the density based on the deviation of the scanning lines and the pixel value of the pixel, which are adjusted in accordance with an image forming condition.
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