Cleaning device

Details Cleaning device Cleaning device

1985-04-25

1987-04-28

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

1525651, G03G 2100

Patent

active

046609628

ABSTRACT:
The cleaning device includes a conductive fur brush for removing toner remaining on an image carrier, and a conductive retrieval roller for collecting the toner caught by the conductive fur brush. A bias voltage of a polarity reverse to the charged polarity of the toner and the absolute value of which is smaller than 200 V is applied to the conductive fur brush, and a bias voltage of the same polarity as that of the bias voltage applied to the conductive fur brush and the absolute value of which is larger by 200 to 500 V than that of the conductive fur brush is applied to the conductive collective roller.

REFERENCES:
patent: 3580673 (1971-05-01), Yang
patent: 3692402 (1972-09-01), Solarek
patent: 3781107 (1973-12-01), Ruhland
patent: 4006987 (1977-02-01), Tomono et al.
patent: 4071296 (1978-01-01), Ermel et al.
patent: 4252433 (1981-02-01), Sullivan
patent: 4361922 (1982-12-01), Karal
patent: 4451139 (1984-05-01), Yanagawa et al.
patent: 4482244 (1984-11-01), Yamazaki et al.
patent: 4506975 (1985-03-01), Shukuri et al.
patent: 4515467 (1985-05-01), Suzuki
patent: 4533236 (1985-08-01), Garsin

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