Printing apparatus and print control method
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United States of America Patent
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May 5, 2015
Grant Date -
Jun 19, 2014
app pub date -
Nov 14, 2013
filing date -
Dec 18, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An embodiment of this invention is directed to ink droplet landing correction by a carriage scanning velocity. According to the embodiment, upon updating a correction value only in a case where a velocity difference is equal to or more than a predetermined value, possibility that ideal correction is not executed in an acceleration/deceleration region, and unnecessary correction occurs in a constant velocity moving region is reduced. More specifically, two velocity thresholds are set so as to sandwich a predetermined velocity of a servo profile. When the carriage scanning velocity falls in the range between the velocity thresholds, updating the correction value of the landing correction function is suppressed.
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