Ink jet printing apparatus and ink jet printing method
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United States of America Patent
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Aug 1, 2006
Grant Date -
Jun 16, 2005
app pub date -
Dec 13, 2004
filing date -
Dec 15, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This invention provides an ink jet printing apparatus of a low cost construction having a plurality of print head units arranged at equal intervals and capable of forming a high quality image at high speed. A plurality of print head units each having a plurality of ink ejection nozzles are arranged side by side in the scan direction. An ink volume applied to a unit area of a print medium by at least the print head unit situated most upstream in the scan direction is set greater than those applied by the other print head units.
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