Title:
ヘッドユニット、印刷装置及び印刷方法
Document Type and Number:
Japanese Patent JP4923544
Kind Code:
B2
Abstract:
A printing method includes: preparing a drive element that corresponds to a nozzle, and a controller that drives the drive element so as to eject a liquid droplet from the nozzle, the controller having a first input section and a second input section; in the case of printing with a first number of gradations, driving the drive element based on a first signal and a second signal, by inputting the first signal to the first input section and inputting the second signal to the second input section; and in the case of printing with a second number of gradations that is lower than the first number of gradations, driving the drive element based on a first signal, by inputting the first signal to the first input section and inputting a signal of a constant potential to the second input section.
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Inventors:
Toshiki Usui
Application Number:
JP2005347780A
Publication Date:
April 25, 2012
Filing Date:
December 01, 2005
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B41J2/01; B41J2/205; B41J2/045; B41J2/055
Domestic Patent References:
| JP2001301206A | ||||
| JP2006334869A |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation