Laser power correction method and device for the same
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United States of America Patent
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Apr 5, 2005
Grant Date -
Jul 17, 2003
app pub date -
Jan 10, 2003
filing date -
Jan 11, 2002
priority date (Note) -
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Abstract
An electrophotographic device with a laser power correction device (and method therefor) includes a laser power detection sensor retractably disposed relative to a laser beam optical path of a laser beam, a laser power adjusting device for controlling laser power of the laser beam based on an output from the laser power detection sensor, and a controller for inserting the laser power detection sensor into the optical path and applying laser power correction when a total laser beam activation time has reached a predetermined time and printing is stopped.
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