NON-CONTACT METHOD OF REMOVING FLOODED INK FROM PRINTHEAD PAGE
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United States of America Patent
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app pub date -
Apr 9, 2013
filing date -
Oct 11, 2005
priority date (Note) -
Abandoned
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Abstract
An ink supply system for an inkjet printhead. The ink supply system includes: an ink reservoir for containing ink, the ink reservoir having a flexible wall; a spring contained within the ink reservoir, the spring being configured for biasing the flexible wall away from an opposite wall of the ink reservoir; an ink conduit providing fluid communication between the ink reservoir and the printhead; and a pressure device for positively pressurizing the flexible wall of the ink reservoir against the bias of the spring. The pressure device includes an air pump for positively pressurizing an air chamber communicating with the flexible wall, such that actuation of the air pump causes the wall to move towards the opposite wall against the bias of the spring.
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