Method and controller to stabilize an ink meniscus in an inkjet printing system
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United States of America Patent
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Jul 27, 2017
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Jul 28, 2016
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Abstract
In an a method to stabilize the ink meniscus at a nozzle opening of a nozzle of a print head including the nozzle and one or more adjacent nozzles to the nozzle, the nozzle can be induced to generate a signal pulse at an activation time. The signal pulse can be a pre-fire pulse (e.g. a negative pressure reduction pulse), where, for example, no ink is ejected. The inducement to generate the pulse can depend on the number of adjacent nozzles that eject ink at the activation time. The negative pressure in the nozzle can then be reduced, and nozzle failures due to air suction may be avoided.
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