Image forming apparatus and toner supply control program for the same
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United States of America Patent
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Feb 2, 2010
Grant Date -
Apr 3, 2008
app pub date -
Sep 6, 2007
filing date -
Sep 28, 2006
priority date (Note) -
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Abstract
A digital color copier includes: a toner concentration storage which stores a detected toner concentration of each developer block of multiple developer blocks across an image forming width; a toner consumption predictor for predicting a first predicted toner consumption of toner consumed from developer of every developer block during a first circulation; a toner concentration estimator for estimating, for every developer block, a toner supply point estimate as the toner concentration at a point where toner is supplied, by subtracting the first predicted toner consumption from the associated detected toner concentration and setting up a toner supply target value of the toner to be supplied from a toner supply device to a developing device in accordance with the predicted toner consumption during a second circulation of the developer inside the developing device that follows the first circulation.
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