LIQUID EJECTOR, AND CONTROL METHOD AND CONTROL PROGRAM OF LIQUID EJECTOR

PROBLEM TO BE SOLVED: To solve such a problem that the more a quantity of the position aberration of a ruled line is reduced, the more an ink is wasted uselessly since a flushing quantity to be required is increased when the position aberration of the ruled line is correspondingly controlled by inte...

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1. Verfasser:	TERAMAE HIROFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To solve such a problem that the more a quantity of the position aberration of a ruled line is reduced, the more an ink is wasted uselessly since a flushing quantity to be required is increased when the position aberration of the ruled line is correspondingly controlled by intensifying a micro tremor of a meniscus between routine flushings.SOLUTION: A driving signal generating circuit 58 generates a driving signal including a first micro tremor pulse to give the micro tremor to the meniscus in a nozzle opening of a central portion nozzle opening group and a driving signal including a second micro tremor pulse to give the micro tremor which is more intensive than the first micro tremor pulse to the meniscus in a nozzle opening of an end portion nozzle opening group. When a flushing operation to jet a liquid droplet out of the nozzle opening forcibly is executed, a controller 16 implements control so that a liquid jetting volume per nozzle opening of the central portion nozzle opening group is smaller than a liquid jetting volume per nozzle opening of the end nozzle opening group.