Method for cleaning a nozzle of printing apparatus

Details Method for cleaning a nozzle of printing apparatus Method for cleaning a nozzle of printing apparatus

2011-03-22

2011-03-22

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Medium and processing means

Reexamination Certificate

active

07909450

ABSTRACT:
In a line type inkjet printer, a method for cleaning a nozzle effectively reducing the occurrence of clogging of nozzle. In a nozzle of a printing apparatus having a fixed print head of line type, the method includes a first process for counting the number of times of non-ink jet work operations of the nozzle in each print head from image data for printing, a second process for operating a period to flush based on the number of times of non-ink jet work operations, and the third process for producing a control signal of printing including the period to flush.

REFERENCES:
patent: 5589858 (1996-12-01), Kadowaki et al.
patent: 2003/0085963 (2003-05-01), Asakawa et al.
patent: 2004/0021724 (2004-02-01), Kojima

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