Liquid ejection apparatus
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United States of America Patent
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Apr 7, 2015
Grant Date -
Sep 20, 2012
app pub date -
Jan 31, 2012
filing date -
Mar 15, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A liquid ejection apparatus comprises a head, a conveyor, an image dot controller, a determiner and a non-image dot controller. The determiner determines whether an image dot non-forming period is equal to or longer than a predetermined time period. The non-image dot controller controls the head so that each ejection opening, whose image dot non-forming period is equal to or longer than the predetermined time period, ejects liquid once within a non-image dot forming period in the image dot non-forming period, to form on a recording medium a non-image dot, the non-image dot forming period being a period from a third time point which is after the first time point to a second time point which is the predetermined time period after the first time point, and that a plurality of the non-image dots structured by the liquid ejected from the ejection openings are scattered in a conveyance direction.
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