Inkjet printer

Details Inkjet printer Inkjet printer

2009-03-02

2011-12-27

Do, An (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

08083319

ABSTRACT:
The recording head is formed with ejection holes including first ejection holes and second ejection holes arranged in a first direction. A recording medium has invisible columns extending in the first direction and invisible rows extending in a second direction orthogonal to the first direction. The invisible columns have first invisible columns and second invisible columns alternately arranged in the second direction. The scanning unit performs a first scan and a second scan in the second direction. The controller prevents the recording head in the first scan from ejecting ink droplets from the first ejection holes onto the first invisible columns and from the second ejection holes onto the second invisible columns, and prevents the recording head in the second scan from ejecting ink droplets from the first ejection holes onto the second invisible columns and from the second ejection holes at the first invisible columns.

REFERENCES:
patent: 6106101 (2000-08-01), Suzuki
patent: 7784894 (2010-08-01), Maehira et al.
patent: 2005/0219650 (2005-10-01), Kondo et al.
patent: 2009/0284559 (2009-11-01), Sudo et al.
patent: H08-300737 (1996-11-01), None
patent: H09-080375 (1997-03-01), None
patent: H11-042769 (1999-02-01), None
patent: 2000-218777 (2000-08-01), None
patent: 2005-288838 (2005-10-01), None
patent: 2007-160802 (2007-06-01), None

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