Air detection in inkjet pens
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United States of America Patent
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-
Aug 2, 2011
Grant Date -
Jan 31, 2008
app pub date -
Jul 27, 2006
filing date -
Jul 27, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An inkjet pen includes a standpipe plenum, a printhead in fluid communication with the standpipe plenum, and a detector for detecting the amount of air in the standpipe plenum. A printing system including such an inkjet pen further includes structure for removing air from the standpipe plenum. Air is removed from the standpipe plenum when the amount of air detected in the standpipe plenum reaches a predetermined level.
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