Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1997-12-12
2000-03-21
Le, N.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
B41J 219
Patent
active
060394439
ABSTRACT:
An ink jet printer with a body defining a paper path and a carriage operable to reciprocate across the paper path. An ink supply receptacle on the body is spaced apart from the carriage, and an ink conduit extends between the ink supply receptacle and the carriage. A suction apparatus on the carriage has an expandable chamber with an inlet connected to the conduit, and moves between a collapsed position and an expanded position, such that ink may be drawn from an ink supply connected to the receptacle to displace at least some of the air from the tube. The chamber may be spring biased to the expanded position, and constrained to the collapsed position during shipping, so that removal of the constraint after installation of ink supplies will draw ink into the conduit to displace air. The suction apparatus may also be installed in a position on the carriage later to be occupied by the print head.
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Dunphy Katherine Ann
Johnson David C
Schnapp Susan T
Hewlett--Packard Company
Le N.
Nghiem Michael
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