Image forming apparatus capable of adjusting laser beams emitted from a plurality of light sources, and method of controlling image forming apparatus
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United States of America Patent
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Sep 1, 2015
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Sep 24, 2014
filing date -
Sep 25, 2013
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Abstract
An image forming apparatus which makes it possible to grasp such settings of a phase and a main scanning magnification of laser beams as reduce occurrence of moire, by visually checking a plurality of pattern images. Pattern images are formed using a laser beam irradiated from a reference light source and a laser beam irradiated from an adjustment target light source for which each of different phase values is set as a phase setting value. A phase relationship between the phases of the laser beams is adjusted based on the pattern images. Pattern images are formed using a laser beam irradiated from the adjustment target light source for which each of different magnification values is set as a magnification setting value. The magnification of the laser beams is adjusted based on these pattern images.
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