Method and system for printhead alignment to reduce or eliminate banding artifacts for interlaced printheads
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United States of America Patent
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Aug 27, 2013
Grant Date -
Aug 16, 2012
app pub date -
Feb 14, 2011
filing date -
Feb 14, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for aligning printheads, some of which are arranged in an overlapped configuration, in a printer has been developed. The method includes identifying a stitch error for each color station in a plurality of color stations in the printer. The stitch error is identified with reference to shrinkage of a print medium as the print medium passes the plurality of color stations. A portion of the stitch error is used to move at least one printhead in the color station corresponding to the stitch error to compensate for a banding issue caused by the overlapped printhead configuration. All or part of the stitch error may also be applied to other printheads in the color station to compensate for possible color to color registration issues.
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