Donor roll configuration of a xerographic development unit using magnetic toner
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United States of America Patent
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Apr 21, 1998
Grant Date -
N/A
app pub date -
Mar 3, 1997
filing date -
Mar 3, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
In a development unit for electrostatographic printing, where toner particles are conveyed by a rotating roll to a charge-retentive surface, a groove is defined in the interior surface of the housing which retains the toner particles, the groove extending along a portion of the circumference of the roll. The groove facilitates redistribution of toner particles which accumulate at the bottom of the housing near an end of the roll.
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