Ink-jet printing apparatus and ejection recovery method of printing head
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United States of America Patent
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-
May 15, 2001
Grant Date -
N/A
app pub date -
Dec 24, 1998
filing date -
Dec 26, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In an ink-jet printing apparatus for performing printing of an image using a plurality of printing heads for ejecting an ink and a printing head for ejecting a processing liquid making the ink insoluble, a rebounding mist to be generated by ejection of the ink and the processing liquid is prevented from adhering on to the vicinity of nozzles of the printing heads. Therefore, respective number of ejection of respective of the printing heads is counted. On the other hand, a threshold level is to set smaller, at greater distance between the printing head for ejecting the ink and the printing head for ejecting the processing liquid. A recovery process, such as wiping or the like is performed when the counted value of the printing head exceeds a predetermined value. By this, appropriate recovery process, such as wiping or the like can be performed depending upon deposition amount of the mist for respective printing heads.
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