Printing device, and printing device maintenance method
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United States of America Patent
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Sep 8, 2015
Grant Date -
Apr 10, 2014
app pub date -
Oct 3, 2013
filing date -
Oct 10, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A printing device includes a first ink reservoir unit configured and arranged to store a first ink having sedimentary properties, a head provided with nozzles, a plurality of first ink supply paths configured and arranged to supply the first ink to the head from the first ink reservoir unit, a stirring unit configured and arranged to stir the first ink existing inside an upstream region in a supply direction of the first ink supply paths, and a control unit configured to execute again an again stirring process after a prescribed time has elapsed from a previous stirring process of the first ink by the stirring unit, and, after execution of that the again stirring process, to eject from the nozzles the first ink that is unstirred existing inside the region further downstream in the supply direction than the upstream region of the first ink supply paths, and inside the head.
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