Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1995-05-31
1999-12-21
Lee, Eddie C.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
347 85, B41J 2175
Patent
active
060039841
ABSTRACT:
An ink-jet swath printer employing a cartridge with a spring bag primary reservoir and an auxiliary ink reservoir interconnected via a tube to form a closed ink replenishment system. The primary reservoir creates a negative pressure which draws ink from the auxiliary reservoir as ink is expelled from the cartridge printhead during printing operations. The auxiliary reservoir can either be mounted on the cartridge carriage or on the printer body. The auxiliary reservoir is a large capacity collapsible bag mounted below the level of the printhead to establish an ink pressure head at the primary reservoir connection which is not so large as to destroy or diminish the negative pressure and allow ink to drool from the printhead, yet is sufficient to permit replenishment of the primary reservoir to avoid printhead ink starvation.
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Bohorquez Jaime H.
Clark James E.
Courian Kenneth J.
Hamlin Mindy A.
Kaplinsky George T.
Dalakis Michael
Hewlett-Packard Co.
Lee Eddie C.
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