Liquid ejecting apparatus and control method thereof
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United States of America Patent
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Oct 21, 2014
Grant Date -
Aug 2, 2012
app pub date -
Jan 30, 2012
filing date -
Jan 31, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A recording head that includes a pressure chamber filled with ink and a piezoelectric element changing pressure inside the pressure chamber, and that ejects ink from the nozzle according to the change in the pressure inside the pressure chamber. A control unit controls the piezoelectric element and performs ejection driving for ejecting the ink from the nozzle or micro-vibration driving for micro-vibrating a liquid surface inside the nozzle to an extent at which the ink is not ejected from the nozzle; and performs a flushing operation of an ejection amount according to a number of times of micro-vibration driving in a driving period, in a preparation period after the driving period has passed.
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