Inkjet printing apparatus and method for discharging shipping ink
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United States of America Patent
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Jul 21, 2015
Grant Date -
Apr 25, 2013
app pub date -
Oct 15, 2012
filing date -
Oct 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The method of this invention for discharging a shipping ink from a newly installed print head filled with that ink minimizes the amount of shipping ink that may remain in the print head after the ink discharging process is performed. The shipping ink discharging method according to this invention comprises: a print head; an ink tank; a first pump; a second pump; a switch valve; and a cleaning mechanism; wherein the switch valve is closed and the first pump is operated to discharge the shipping ink from the ink ejection nozzles and the cleaning mechanism is operated to clean the print head, after which the switch valve is opened and the second pump is operated to supply ink from the ink tank to the print head.
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