Ink jet apparatus with control of recording head cleaning
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United States of America Patent
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Mar 3, 1998
Grant Date -
N/A
app pub date -
Dec 16, 1996
filing date -
Apr 14, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of recovery of the ink ejection capability of an ink jet printhead having a deteriorated discharge condition by changing a relative contact pressure between the cleaning member and the printhead. A first wiping is carried out using the cleaning member such that an ordinary load for cleaning is applied at 50-200 grams/line of discharge openings of the printhead. A second first wiping is carried out using the cleaning member such that an ordinary load for cleaning is applied at 200-500 grams/line of discharge openings of the printhead when initiated by an operator of the ink jet printing apparatus.
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