Ink jet print head and ink jet printing apparatus
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United States of America Patent
Stats
-
Mar 29, 2005
Grant Date -
Oct 2, 2003
app pub date -
Mar 25, 2003
filing date -
Mar 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
After the front end area of the print medium has been printed and when the printing is to be continued following the front end area, a preliminary ejection is performed, prior to the current scan, on the nozzles that have not been used in preceding scans but begin to be used in a current scan, in order to remove viscous ink from the nozzles and making them ready to perform ejection. As a result, the ink ejection from the nozzles that begin to be used in the current scan becomes satisfactory.
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Cited Art Landscape
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