Image forming apparatus and image forming system
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United States of America Patent
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Jul 16, 2013
Grant Date -
Apr 18, 2013
app pub date -
Dec 12, 2012
filing date -
Sep 5, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An image forming apparatus includes a developer bearing member configured to bear a developer to develop a latent image, a developer regulating member configured to regulate an amount of the developer carried on the bearing member, a voltage application unit that can apply a plurality of direct current voltages of different values between the bearing member and the regulating member, and a current detection unit that can detect a plurality of direct currents of different values flowing in the regulating member when the voltage application unit applies the plurality of direct current voltages, wherein the image forming apparatus sets a direct current voltage value Vb applied by the voltage application unit when developing the latent image, so that the following expression is satisfied: |Vb|>|Vbmin|, where Vbmin indicates a direct current voltage value when the direct current detected by the current detection unit is a minimum value.
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