Array type inkjet printer and method for determining...

Details Array type inkjet printer and method for determining... Array type inkjet printer and method for determining...

2007-02-28

2009-12-29

Huffman, Julian D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S013000

Reexamination Certificate

active

07637586

ABSTRACT:
An array type inkjet printer and a method of determining the condition of nozzles in the array type inkjet printer are disclosed. The array type inkjet printer includes a plurality of head chips, each comprising a plurality of nozzles, a print part which prints a plurality of test patterns of different forms, a scanning part which scans the plurality of printed test patterns, and a controller which controls the print part to print the plurality of test patterns using nozzles of interest among the plurality of nozzles, and determines the condition of the nozzles of interest with reference to a certain part of an image of the scanned test patterns. Accordingly, nozzle information is easily determined.

REFERENCES:
patent: 2003/0001914 (2003-01-01), Matsumoto et al.
patent: 2004/0090475 (2004-05-01), Ioka et al.
patent: 2005/0062784 (2005-03-01), Matsuzaki et al.
patent: 2006/0023018 (2006-02-01), Hatayama
patent: 2007/0070102 (2007-03-01), Takata

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