Inkjet printer and inkjet printing method

Details Inkjet printer and inkjet printing method Inkjet printer and inkjet printing method

2011-04-12

2011-04-12

Nguyen, Lamson D (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S043000, C347S015000

Reexamination Certificate

active

07922287

ABSTRACT:
An image having high quality is output, in which density unevenness due to a deflection in an ejecting direction is reduced, in an inkjet printer for forming an image by ejecting small droplets at a high frequency and high density. Thereby, in a mask pattern employed for multi-pass printing, a print permission rate of an ejection port positioned at the end of a ejection port array is set higher than those of ejection ports positioned at the other parts of the ejection port array. Thus, even if extremely small droplets are ejected at a high frequency and high-density, the generated density unevenness is reduced, and an image excellent in uniformity and having high definition can be output at a high speed.

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