Inkjet printing apparatus and inkjet printing method

Details Inkjet printing apparatus and inkjet printing method Inkjet printing apparatus and inkjet printing method

2005-06-07

2008-11-11

Huffman, Julian D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07448721

ABSTRACT:
In an inkjet printing apparatus having a plurality of printing modes with different scanning speeds, first and second preliminary discharge performing positions are provided within the moving area of a carriage as positions where preliminary discharge is performed to cause a printhead to discharge ink irrespective of printing, and a combination of positions where preliminary discharge is performed is set from the first and second preliminary discharge performing positions in accordance with the scanning speed in a set printing mode. This makes it possible to execute preliminary discharge at intervals within necessary intervals even if the scanning speed is decreased when high resolution printing is performed.

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Japanese Office Action dated Apr. 9, 2007, issued in Japanese patent application No. 2004-170450, and English translation.
Japanese Office Action dated Apr. 9, 2007, issued in corresponding Japanese patent application No. 2004-170448, and English translation.

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