Ink jet printing apparatus, ink jet printing method and...

Details Ink jet printing apparatus, ink jet printing method and... Ink jet printing apparatus, ink jet printing method and...

2004-12-13

2009-11-17

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S040000

Reexamination Certificate

active

07618119

ABSTRACT:
An ink jet print head is provided which can print a high-quality image with no density variation-caused lines at high speed and which can be manufactured at low cost and with ease. For this purpose, the print head of this invention has a plurality of nozzle groups each having at least one nozzle array arranged in a predetermined array direction Y crossing a relative motion direction X. A distance in the relative motion direction between the nozzles in each nozzle group adjoining each other in the array direction Y is set almost equal to a distance in the relative motion direction between the nozzle groups adjoining each other in the array direction Y.

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