Hybrid scavengeless development using a rigid porous planar elec

Details Hybrid scavengeless development using a rigid porous planar elec Hybrid scavengeless development using a rigid porous planar elec

1996-05-15

1998-04-21

Braun, Fred L.

Electrophotography

Image formation

Development

399290, G03G 1508

Patent

active

057428840

ABSTRACT:
An apparatus for developing a latent image recorded on a surface, the apparatus includes a housing defining a chamber storing a supply of developer material including toner; a toner donor member spaced from the surface and being adapted to transport toner to a region opposed from the surface; a magnetic brush for conveying the developer material in the chamber of the housing onto the donor member; and a rigid planar porous electrode member spaced near the surface of a donor roll, the electrode member being electrically biased to detach toner from the donor member as to form a toner cloud for developing the latent image.

REFERENCES:
patent: 3779166 (1973-12-01), Pressman et al.
patent: 4478505 (1984-10-01), Tashiro
patent: 4876573 (1989-10-01), Kamimura
patent: 5031570 (1991-07-01), Hays et al.
patent: 5144371 (1992-09-01), Hays
patent: 5422709 (1995-06-01), Minagawa et al.
patent: 5631679 (1997-05-01), Kagayama

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