Development apparatus with paper debris remover

Details Development apparatus with paper debris remover Development apparatus with paper debris remover

1985-04-01

1987-01-27

Prescott, A. C.

Photocopying

Including fiber optics

355 14D, 118652, G03G 1508

Patent

active

046391150

ABSTRACT:
Apparatus for purifying toner prior to its use in developing latent electrostatic images. An electrically biased roll supported in the developer housing contiguous at least one of the development rolls serves to attract paper debris from the toner contained in the toner carried by the developer roll. The roll is fabricated from a suitable insulating material and electrically biased in a manner suitable for attracting the paper debris contained in the toner. The roll is rotated and a scraper blade is provided for removing the debris therefrom. The debris so removed is allowed to fall into a toner catch tray which can be provided with an auger for moving it out of the tray to thereby increase the capacity of the system for debris removal.

REFERENCES:
patent: 3572923 (1971-03-01), Fisher et al.
patent: 3722018 (1973-03-01), Fisher
patent: 4265990 (1981-05-01), Stolka et al.
patent: 4351604 (1982-09-01), Karasawa et al.
patent: 4357097 (1982-11-01), Koiso
patent: 4494863 (1985-01-01), Laing

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