Image forming apparatus supplying toner from container to accumulating unit based on tower density developer in the accumulating unit, and method of controlling image forming apparatus
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United States of America Patent
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Mar 1, 2016
Grant Date -
Jun 18, 2015
app pub date -
Dec 9, 2014
filing date -
Dec 17, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus including a replaceable container having toner stored therein includes: an image forming unit including an accumulating unit for accumulating developer containing toner and configured to form an image by using the developer in the accumulating unit; a measurement unit configured to measure a toner density in the accumulating unit; a portion to which the container is attached; a supplementing unit configured to supplement the toner from the attached container to the accumulating unit; and a controller configured to control the supplementing unit based on first information corresponding to a difference between the toner density and a target toner density and second information corresponding to an accumulated value obtained by accumulating differences, wherein the second information does not change in a period from replacement of the container by another container until a predetermined number of times of supplement is performed.
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