Pretransfer charging device for image forming equipment

Details Pretransfer charging device for image forming equipment Pretransfer charging device for image forming equipment

1993-06-03

1994-12-06

Gellner, Michael L.

Photocopying

Contact printing

Light boxes

355208, 355246, G03G 1514

Patent

active

053715799

ABSTRACT:
A pretransfer charging device for image forming equipment controls the output of a pretransfer charger thereof in response to an environment sensor or a sensor responsive to the amount of toner deposited on a reference toner image which is formed on an image carrier. The device allows a desired amount of charge to be deposited on a toner during image transfer.

REFERENCES:
patent: 4134147 (1979-01-01), Watanabe
patent: 4338017 (1982-07-01), Nishikawa
patent: 4395112 (1983-07-01), Miyakawa et al.
patent: 4912515 (1990-03-01), Amemiya et al.
patent: 4965637 (1990-10-01), Katoh et al.
patent: 5170210 (1992-12-01), Saruwatari

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