Instability detection for corona chargers

Details Instability detection for corona chargers Instability detection for corona chargers

1997-05-19

1998-09-15

Lee, S.

Electrophotography

Diagnostics

361230, 399170, G03G 1500, G03G 1502

Patent

active

058093648

ABSTRACT:
A corona charger in an electrostatographic reproduction apparatus includes a coronode and a power supply applying a voltage to the coronode. A detector detects pre-arc noise in the operation of the coronode and issues a signal that is used to adjust operation of the power supply to avoid arcing and/or to indicate a malfunction condition.

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R. Feng, G. S. P. Castle, and S. Jayaram; "Automated System for Power Measurement in the Silent Discharge"; Conf. Record of the 1996 IEEE Industry Appl. Society; vol. 4, pp. 2076-2082, Fig. 2.

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