Optical writing apparatus, image forming apparatus, and control method
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United States of America Patent
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Apr 23, 2024
Grant Date -
Oct 6, 2022
app pub date -
Mar 3, 2022
filing date -
Mar 30, 2021
priority date (Note) -
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Abstract
An optical writing device, and a method of controlling the optical writing device. The optical writing device and the method includes controlling speed of operation of a light deflector based on image magnifying-power information in a sub-scanning direction parallel to a direction in which a surface of a photoconductor moves, and controlling a prescribed write clock frequency such that a number of clock pulses of write light will become a target number of pulses over a period where the write light scans an area within a prescribed distance in a main scanning direction, the target number of pulses being maintained even when the speed of operation of the light deflector is changed in the controlling the speed of operation of the light deflector. The write clock frequency controller maintains the target number of pulses even when the speed of operation of the light deflector is changed by the light-deflector controller.
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