Electrically biased toner filtration

Details Electrically biased toner filtration Electrically biased toner filtration

1994-10-11

1996-03-26

Ramirez, Nestor R.

Photocopying

Contact printing

Light boxes

355246, G03G 1506

Patent

active

055025498

ABSTRACT:
An apparatus for filtering contaminants from marking particles within a conduit is provided. The apparatus includes a mover for moving the marking particles in the conduit and a screen positioned adjacent the conduit so that the marking particles pass through the screen. The apparatus also includes an applicator for applying an electrical bias between the mover and the screen to facilitate the passage of marking particles through the screen.

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patent: 4752805 (1988-06-01), Fukae et al.
patent: 5200788 (1993-04-01), Thayer
patent: 5305064 (1994-04-01), Trott et al.
patent: 5345298 (1994-09-01), Corrigan, Jr.

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