METHOD OF REMOVING AIR BUBBLES FROM CIRCULATING INK DELIVERY SYSTEM
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Jun 17, 2015
filing date -
Jul 10, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of removing air bubbles from a circulating ink delivery system supplying ink to an inkjet printhead. The ink delivery system includes an ink container positioned below the printhead, an upstream ink conduit interconnecting a supply port of the ink container and a first port of the printhead, and a downstream ink conduit interconnecting a return port of the ink container and a second port of the printhead. The method includes the step of: pumping ink around the ink delivery system from the supply port to the return port, wherein a flow speed of ink through the downstream ink conduit is greater than a flow speed of ink through the upstream first conduit.
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