Method for cleaning a nozzle of printing apparatus
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United States of America Patent
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Mar 22, 2011
Grant Date -
Aug 16, 2007
app pub date -
Jan 29, 2007
filing date -
Jan 30, 2006
priority date (Note) -
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status (Latency Note)
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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.
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