Image forming apparatus with residual toner detection
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United States of America Patent
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Aug 19, 2014
Grant Date -
Oct 25, 2012
app pub date -
Apr 20, 2012
filing date -
Apr 20, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is an image forming apparatus, including: a developing unit which develops, with a developer, an electrostatic latent image formed on an image bearing member based on image data; a replenishing unit which replenishes the developing unit with the developer; a detecting unit which detects presence/absence of the developer in the replenishing unit; a counting unit which counts a number of dots according to the image data; a calculating unit which calculates an integrated value of the number of dots; and a control unit which performs a determination process of determining the presence/absence of the developer based on a detection result of the detecting unit, and which stops an image forming operation in a case where the control unit determines that the developer is present and that the integrated value exceeds a predetermined value.
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