MULTI-BEAM IMAGE FORMING APPARATUS AND ELECTROSTATIC LATENT IMAGE FORMATION METHOD
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United States of America Patent
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Issued Date -
Jun 28, 2012
app pub date -
Dec 19, 2011
filing date -
Dec 27, 2010
priority date (Note) -
Abandoned
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Abstract
An image forming apparatus includes a pattern formation control unit for forming a plurality of evaluation patterns by repeatedly turning on and off a plurality of light emitters arranged in a row in units of n dots (n is an integer equal to or greater than 1) to irradiate light to a photoconductor while changing write timings of the respective light emitters in a predetermined range, an adjustment unit for improving reliability of density difference information among the plurality of evaluation patterns, and a determination unit for obtaining information on densities of the respective evaluation patterns based on a detection result on the densities of the respective evaluation patterns and determining write timings derived from the evaluation pattern having the lowest or highest density as the write timings of the plurality of light emitters.
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