Ink jet printing apparatus and printing position setting method of the apparatus
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United States of America Patent
Stats
-
Aug 7, 2007
Grant Date -
Aug 26, 2004
app pub date -
Feb 25, 2004
filing date -
Feb 26, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inkjet printing apparatus prints by scanning an inkjet printhead for discharging ink and a printing medium relative to each other. The printhead includes a first nozzle group used to print a dot having a first density, and a second nozzle group used to print a dot having a second density. The inkjet printing apparatus has a first printing mode in which only one of the first and second nozzle groups is used during one printing scan, and a second printing mode in which the first and second nozzle groups are driven at different timings during one printing scan. In this inkjet printing apparatus, a pattern for adjusting the relative printing positions of the nozzle rows in the first printing mode is printed. From this pattern, set values of relative printing positions in the first printing mode are specified. On the basis of the specified set values, set values of the relative printing positions of the nozzle rows in the second printing mode are determined.
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Cited Art Landscape
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