Ink jet printing apparatus and ink jet printing method

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

2011-04-19

2011-04-19

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S040000

Reexamination Certificate

active

07926908

ABSTRACT:
There is provided an ink jet printing apparatus and a printing method capable of reducing unevenness due to a time lag. An ink jet printing apparatus comprise a printing head including a first and a second eject port array. The second eject port array is shorter than said first eject port array in said conveying direction of the printing medium. The first eject port array has a first a second. The first eject port group is disposed parallel to said second eject port array. The second eject port group is not disposed parallel to the second eject port array. In an identical printing area of the printing medium, a printing ratio of the first eject port group is lower than that of the second eject port group. The second ink contains a component that reduces dispersion stability of the first ink.

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