Electrophotographic copying apparatus with transfer bias voltage

Details Electrophotographic copying apparatus with transfer bias voltage Electrophotographic copying apparatus with transfer bias voltage

1981-09-28

1983-11-15

Moses, R. L.

Photocopying

Including fiber optics

355 14TR, G03G 1500

Patent

active

044152540

ABSTRACT:
An electrophotographic copying apparatus includes a charge retaining member carried by a conductive member and on which an electrostatic latent image is formed. The latent image is developed with toner, and the toner image is transferred onto a record sheet by transfer means connected to a transfer bias source which is connected between the conductive member and the ground so that its terminal of the same polarity as the polarity to which the toner is charged is connected to the conductive member. A corona charger is disposed in opposing relationship with the charge retaining member. A high tension source is provided to cause a corona discharge from the corona charger. The high tension source has its one terminal connected to the conductive member and its other terminal connected to a corona discharge wire of the corona charger.

REFERENCES:
patent: 4184870 (1980-01-01), Suzuki

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