Electrophotography – Document handling – Copy
Patent
1997-03-21
1999-11-02
Beatty, Robert
Electrophotography
Document handling
Copy
399 50, 399167, G03G 1500
Patent
active
059786434
ABSTRACT:
An electrophotographic apparatus is provided with suppressed or eliminated electrostatic fatigue and physical wearing-off of a photoconductive element and drive system layout, and is further provided with resultant reduced running cost which is realized by minimum rotation of a photoconductive element and minimum applying time of an impressive charger for each image forming procedure. The electrophotographic apparatus is provided with optional feeders in addition to a main feeder, and a detecting device is provided at a position capable of detecting a tip end position of a recording sheet at an upper stream of a transfer process, from any of the main sheet feeder or the optional sheet feeders, in which a photoconductive element motor or charge applying process is started in accordance with an output of the recording sheet detecting device.
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Beatty Robert
Ricoh & Company, Ltd.
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