Image forming apparatus
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United States of America Patent
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Jan 26, 2016
Grant Date -
Nov 19, 2015
app pub date -
May 13, 2015
filing date -
May 16, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A bias circuit sets a value of a bias current using a correction coefficient α=0.5 for a predetermined time period from when a state in which a first capacitor and a second capacitor are not charged, then changes the correction coefficient to α=0.9 which is larger than α=0.5, and sets a value of the bias current obtained by using the correction coefficient α=0.9. The constant current source supplies the light emitting element with the bias current obtained by using the correction coefficient α=0.9 and supplies the bias current with a switching current, and thus an electrostatic latent image is formed.
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