Ink-jet recording apparatus and control method thereof
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United States of America Patent
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Oct 14, 2003
Grant Date -
May 9, 2002
app pub date -
Jun 3, 1999
filing date -
Jun 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink-jet recording apparatus for effecting recording using an ink-jet recording head is capable of forming large dots and small dots. The number of times of discharge operation for forming large dots and the number of times of discharge operation for forming small dots are separately counted, and a total ink discharge amount is calculated on the basis of these count values. The total ink discharge amount which is compared with a predetermined value to perform appropriate suction processing. According to the invention, an ink suction operation from a discharge port is started with appropriate timing, thereby controlling consumption of ink.
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