Image forming apparatus and method for adjustment of light amount during weak light emission
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United States of America Patent
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Oct 11, 2016
Grant Date -
Dec 12, 2013
app pub date -
Jun 6, 2013
filing date -
Jun 8, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A driving unit causes first and second light emitting units each to emit light in a time following a pulse duty with a light amount at a first light emission level for printing on an image portion in an image formable region of a photosensitive member according to input of print data, and causes the first and the second light emitting units each to emit light with a light amount at a second light emission level of weak light emission on a non-image portion in the image formable region of the photosensitive member, and an adjustment unit adjusts each of first, second, third, and fourth driving currents for a plurality of times in one job.
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