ELECTROPHOTOGRAPHIC COPIER INCLUDING COPY SHEET DETACH DETECTOR

ELECTROPHOTOGRAPHIC COPIER INCLUDING COPY SHEET DETACH DETECTOR

A detach detector for detecting whether or not a copy sheet has been stripped from a photoconductor (19) after transfer comprises a discharge lamp (40) and an electrostatic probe (41). In operation, the lamp discharges the photoconductor during correct operations of the machine to provide a low volt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PRIES, ROBERT WAYNE, SIMPSON, HENRY WELLINGTON
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A detach detector for detecting whether or not a copy sheet has been stripped from a photoconductor (19) after transfer comprises a discharge lamp (40) and an electrostatic probe (41). In operation, the lamp discharges the photoconductor during correct operations of the machine to provide a low voltage level at the probe. If, however, a copy sheet remains attached to the photoconductor, the rear side remains at a high voltage level which is detected by the probe.