PROBLEM TO BE SOLVED: To provide a liquid droplet ejection device capable of performing high speed, highly precise printing without using a large power source nor generating crosstalk or voltage drop, and to provide a method for controlling the liquid droplet ejection device and a liquid ejection system.;SOLUTION: This liquid droplet ejection device performs high speed, highly precise printing without using a large power source nor generating crosstalk or voltage drop by changing a transporting speed of a printing medium and an ejection timing of ink only when a specific ejection pattern resides in ejection control data for controlling ejection of ink. The method for controlling the liquid droplet ejection device and the liquid droplet ejection system are provided.;COPYRIGHT: (C)2010,JPO&INPIT
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