Device for removing residual developer particles from a photocon

Details Device for removing residual developer particles from a photocon Device for removing residual developer particles from a photocon

1987-04-01

1988-11-22

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3R, 118652, G03G 1508

Patent

active

047869437

ABSTRACT:
A device for removing residual particles from a photoconductive member comprises a fur brush in contact with the photoconductive member, a metal roller in contact with the fur brush, and a scraper blade in contact with the metal roller. The fur brush is maintained at a first biasing voltage, e.g., +50V, while the metal roller is maintained at a second biasing voltage which is of the same polarity but greater in magnitude than the first biasing voltage, e.g., +150V. The fur brush attracts residual particles from the photoconductive member while the metal roller attracts residual particles from the fur brush. The scraper blade scrapes the residual particles from the metal roller, the particles falling into a conveying auger for recycling.

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