Refillable ink jet print system

Details Refillable ink jet print system Refillable ink jet print system

1989-07-26

1990-11-06

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2175

Patent

active

049689983

ABSTRACT:
An ink jet print cartridge liquid toner container (14) is refillable at a service station (60) in a printer (50). Liquid toner is forced into the liquid toner container (14) from a liquid toner reservoir (70) through a refill tube (26) extending into the interior of the foam-filled container (14). Simultaneously, a volume of air and toner is withdrawn from the upper portion of the foam (20) through an evacuation tube (30) at a rate equal to or greater than the refill rate. Typically, a portion of the volume of foam (20) is filled with air so that the foam (20) fills with toner as air is removed.

REFERENCES:
patent: 4187511 (1980-02-01), Robinson
patent: 4714937 (1987-12-01), Kaplinsky

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