Image forming apparatus and cleaning control method
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United States of America Patent
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Jun 3, 2014
Grant Date -
May 30, 2013
app pub date -
Nov 27, 2012
filing date -
Nov 28, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In an image forming apparatus for forming an image by electrophotography, a charging device is comprised of a needle electrode in which a plurality of saw teeth are arrayed in one direction; a cleaning rubber roller that cleans the needle electrode; a cleaning member supporter; a moving portion that moves the cleaning member supporter; and a control portion that controls the charging device, and the control portion includes a function to increase a saw-tooth current value by increasing print cumulative count; and a function to decrease the saw-tooth current value at the time of performing cleaning.
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