Multi-roll developer housing with converging belt to roll spacin

Details Multi-roll developer housing with converging belt to roll spacin Multi-roll developer housing with converging belt to roll spacin

1995-12-18

1997-09-16

Brase, Sandra L.

Electrophotography

Image formation

Development

399223, G03G 1508

Patent

active

056690495

ABSTRACT:
An electrophotographic printing machine, wherein an electrostatic latent image recorded on a photoconductive member is developed with toner to form a visible image thereof, wherein the improvement includes an apparatus for alleviating toner contamination of the electrophotographic printing machine while maintaining high quality visible images. The apparatus includes a first housing defining a chamber storing a supply of toner of a first color; the first housing including a first toner donor member spaced a first predetermined spacing from the surface and being adapted to transport toner of the first color to a region opposed from the surface, and a second toner donor member spaced a second predetermined spacing from the surface and being adapted to transport toner of the first color to the region opposed from the surface; and wherein the first predetermined spacing is substantially greater than the second predetermined spacing.

REFERENCES:
patent: 4078929 (1978-03-01), Gundlach
patent: 4847655 (1989-07-01), Parker et al.
patent: 5010368 (1991-04-01), O'Brien
patent: 5032872 (1991-07-01), Folkins et al.
patent: 5080988 (1992-01-01), Germain et al.
patent: 5208636 (1993-05-01), Rees et al.
patent: 5241359 (1993-08-01), Williams
patent: 5391455 (1995-02-01), Bigelow
patent: 5416567 (1995-05-01), Toyoshima et al.
patent: 5475477 (1995-12-01), Tanuma et al.

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