Integrated air knife toner applicator

Details Integrated air knife toner applicator Integrated air knife toner applicator

1993-03-09

1994-02-22

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

118659, G03G 1500

Patent

active

052892395

ABSTRACT:
In electrostatic liquid toning, an apparatus for removing excess liquid toner from a recording medium using an air knife integrated with a toner applicator into a single mechanical structure. The toner applicator contains a toning channel and an air channel adjacent to a toner drain channel. The recording medium carrying a latent electrostatic image is directed past the toning channel in the toner applicator. The toning channel in the applicator contains toner and is in fluid communication with the recording medium. Air under pressure is expelled through the air channel and against the recording medium such that excess toner deposited onto the surface of the recording medium is directed into the toner drain channel.

REFERENCES:
patent: 3196832 (1965-07-01), Zin
patent: 4247191 (1981-01-01), Grace et al.
patent: 4870462 (1989-09-01), Day
patent: 4878090 (1989-10-01), Lunde
patent: 5063413 (1991-11-01), Domoto et al.

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