Image forming apparatus
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United States of America Patent
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Apr 24, 2018
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N/A
app pub date -
Jan 12, 2017
filing date -
Jan 25, 2016
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Abstract
An image forming apparatus, including: a deflection unit configured to deflect light beams emitted from light emitting points with a mirror face to form scanning lines in a second direction orthogonal to a first direction in which a photosensitive drum is rotated; a correction unit configured to correct an optical face tangle error of the mirror based on a deviation amount from a distance between the deflection unit and the photosensitive member; a calculation unit configured to calculate a positional deviation amount of the emitting points in the first direction; a transformation unit configured to transform a pixel position of an input image based on the positional deviation amount so that an interval between the scanning lines is a predetermined interval; and a filtering unit configured to obtain a pixel value of an output image based on the transformed pixel position of the input image.
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