Developing device having improved toner transport capacity for u

Details Developing device having improved toner transport capacity for u Developing device having improved toner transport capacity for u

1992-09-24

1994-07-26

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118661, 355245, G03G 1500

Patent

active

053330404

ABSTRACT:
A device for developing a latent image on an image carrier in an image forming apparatus is disclosed which includes a developing roller adjacent to the image carrier for transferring a developing agent to the image carrier, a supply roller adjacent to the developing roller for supplying the developing agent to the developing roller and a conductive member contacted with the developing roller. A voltage is applied to the conductive member for generating an electric field on the supply roller to adhere the developing agent onto the surface of the supply roller.

REFERENCES:
patent: 4408862 (1983-10-01), Talcano et al.
patent: 4930438 (1990-06-01), Demizu et al.
patent: 4947211 (1990-08-01), Ono et al.
patent: 4990858 (1991-02-01), Brewington et al.
patent: 5062385 (1991-11-01), Nishio et al.
patent: 5170213 (1992-12-01), Yamaguchi et al.
patent: 5179414 (1993-01-01), Bhagat
patent: 5182601 (1993-01-01), Hodoshima et al.

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