IMAGE FORMATION APPARATUS, HEAD DRIVE CONTROLLING METHOD, AND PROGRAM

PROBLEM TO BE SOLVED: To provide an image formation apparatus that heightens resolution with a simple constitution.SOLUTION: The liquid discharge head, which is a head in the form that a meniscus is asymmetric with respect to a nozzle center in a nozzle arrangement direction when the meniscus pushes...

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1. Verfasser: YAMANAKA KUNIHIRO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an image formation apparatus that heightens resolution with a simple constitution.SOLUTION: The liquid discharge head, which is a head in the form that a meniscus is asymmetric with respect to a nozzle center in a nozzle arrangement direction when the meniscus pushes out of a nozzle, gives at least the first discharge pulse P1 for discharging the first droplets from the nozzle within one drive period and the second discharge pulse P2 making the second droplets from the nozzle to pressure generation means (piezoelectric element), discharges the first droplets with the first discharge pulse P1 when the meniscus is in the form that the meniscus is symmetric with respect to the nozzle center, and discharges the second droplets with the second discharge pulse P2 when the meniscus pushes out more than when discharging the first droplets, so that the first droplets and the second droplets are discharged in different discharge directions.