Ink-jet printing apparatus
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United States of America Patent
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Nov 23, 1999
Grant Date -
N/A
app pub date -
Apr 3, 1996
filing date -
Apr 7, 1995
priority date (Note) -
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Abstract
In an ink-jet printing apparatus, upon turning on the power source of the printing apparatus, a stirring operation of ink in the main tank is performed for a given period of time, and during sequent printing operation, the stirring operation in the main tank is performed for the give period at every predetermined elapsed time. By this, the printing operation for a long period can be performed employing ink having a water insoluble dye without causing a problem of admixing of bubble or so forth caused by stirring of the ink in the main tank.
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