Recovery processing method and unit of ink jet printing apparatus
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United States of America Patent
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Apr 13, 2004
Grant Date -
Feb 14, 2002
app pub date -
May 1, 2001
filing date -
May 2, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In the present invention, the minimum necessary consumption of ink can recover the channel miss state of the plurality of nozzles. The present invention provides a recovery processing method of an ink jet printing apparatus for forming images using a print head having a plurality of nozzles for ejecting ink droplets. The method comprises a first step for detecting channel miss state of said plurality of nozzles, and a second step for executing at least one of different recovery processes depending on the channel miss states of said plurality of nozzles detected in the first step.
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