Importance

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Abstract

An ink ejecting device includes a plurality of nozzles, a plurality of pressure chambers respectively corresponding to the plurality of nozzles, an actuator capable of changing capacity of each of the plurality of pressure chambers. A first drive pulse signal is selected in accordance with dot information indicating dots to be formed on a recording medium successively. When the dot information for the current ejection cycle and the dot information for the succeeding ejection cycle indicate a first condition where ejection of a large amount of ink drop and no ejection of an ink drop, respectively, driving pulse signals for the current ejection cycle and the succeeding ejection cycle are selected, respectively. The driving pulse signals for the current ejection cycle and the succeeding ejection cycle are then output in the current ejection cycle and within the succeeding ejection cycle, respectively.

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First Claim