Process Unit and Image Forming Device Including the Same
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United States of America Patent
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N/A
Issued Date -
May 2, 2013
app pub date -
Sep 24, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A process unit is capable of avoiding backset of residual toner from the collecting unit to an image carrier even after collection of the residual toner on the image carrier at the collecting unit. A first collecting member is positioned downstream of a transfer unit and upstream of a charger in rotational direction of an image carrier. The first collecting member is configured to allow a developing agent remaining on the image carrier to pass therethrough but to collect a paper dust on the image carrier. A second collecting member is positioned downstream of the first collecting member and upstream of the charger, and configured to allow a developing agent remaining on the image carrier to pass therethrough but to collect a paper dust on the image carrier. The control device controls the first collecting member to be applied with a polarity the same as that of the charger.
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