Printing apparatus and printing method

Details Printing apparatus and printing method Printing apparatus and printing method

2006-10-02

2009-08-18

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S015000, C347S040000, C347S041000, C347S043000, C445S024000

Reexamination Certificate

active

07575299

ABSTRACT:
A printing apparatus of the present invention is provided with a carry unit for carrying a medium in a carrying direction, and a print head that has a plurality of nozzle rows each made up of a plurality of nozzles for ejecting ink lined up in the carrying direction, and that moves in an intersecting direction intersecting the carrying direction. The print head includes a first nozzle row and a second nozzle row for a first color, and a first nozzle row and a second nozzle row for a second color, a plurality of nozzles of the first nozzle row for the first color and a plurality of nozzles of the first nozzle row for the second color are disposed in the same positions in terms of the carrying direction, a plurality of nozzles of the second nozzle row for the first color and a plurality of nozzles of the second nozzle row for the second color are disposed in the same positions in terms of the carrying direction, a plurality of the nozzles of the second nozzle rows for the first color and the second color are respectively disposed shifted in the carrying direction with respect to a plurality of the nozzles of the corresponding first nozzle rows for the first color and the second color, and the nozzle rows are disposed in the intersecting direction in the order of the first nozzle row for the first color, the second nozzle row for the second color, the second nozzle row for the first color, and the first nozzle row for the second color.

REFERENCES:
patent: 6158841 (2000-12-01), Kakutani
patent: 6244688 (2001-06-01), Hickman
patent: 6491373 (2002-12-01), Fujita et al.
patent: 2002/0105557 (2002-08-01), Teshigawara et al.
patent: 2003/0071873 (2003-04-01), Kakutani
patent: 2006/0038850 (2006-02-01), Teshigawara et al.
patent: 2006/0197802 (2006-09-01), Konno
patent: 2001-96771 (2001-04-01), None

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