Transfer charge control system

Details Transfer charge control system Transfer charge control system

1985-10-04

1987-06-16

Braun, Fred L.

Photocopying

Including fiber optics

250325, 355 14TR, G03G 1516

Patent

active

046732802

ABSTRACT:
The transfer station of an electrostatographic apparatus includes a transfer corotron which assists the transfer of a developed image to a copy sheet. The shield of the transfer corotron is allowed to self-bias to a potential controlled by a Zener diode, and this potential is applied to a sheet guide member. Copy paper sheets are fed over a sheet guiding portion of the guide member towards the photoconductor drum, and while the sheets are in contact with the guide member they acquire the potential which is predetermined to ensure optimum transfer conditions.

REFERENCES:
patent: 3620617 (1971-11-01), Kelly
patent: 3850519 (1974-11-01), Weikel, Jr.
patent: 4055380 (1977-10-01), Borostyan
patent: 4077709 (1978-03-01), Borostyan et al.
patent: 4408863 (1983-10-01), Ogata et al.
patent: 4478870 (1984-10-01), Haneda et al.
patent: 4491407 (1985-01-01), Mitsuyama et al.

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