Development system

Details Development system Development system

1992-02-10

1993-04-20

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118647, 118649, 355261, 355263, 355265, G03G 1508, G03G 1506

Patent

active

052047199

ABSTRACT:
An apparatus in which an electrostatic latent image recorded on a photoconductive member is developed with toner. A donor roll, spaced from the photoconductive member, transports toner to a development zone adjacent the photoconductive member, an electrode member is positioned in the development zone between the photoconductive member and the donor roll. The electrode member is electrically biased to detach toner from the donor roll so as to form a toner powder cloud in the space between the electrode member and the photoconductive member. In this way, the toner from the donor powder cloud develops the latent image recorded on the photoconductive member. A DC current is transmitted through the electrode member. A magnetic member interacts with the DC current flowing through the electrode member to substantially dampen vibrations of the electrode member.

REFERENCES:
patent: 4868600 (1989-09-01), Hays et al.
patent: 5031570 (1991-07-01), Hays et al.
patent: 5034775 (1991-07-01), Folkins

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