Method, system and test sheet image bitmap for carrying out a scanner-and-processor based image-to-paper registration setup
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United States of America Patent
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Feb 19, 2013
Grant Date -
Mar 4, 2010
app pub date -
Aug 28, 2008
filing date -
Aug 28, 2008
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Abstract
A method and system for carrying out an image-to-paper printer registration setup includes: using a printer undergoing registration setup, printing a test pattern on a sheet having reference targets within a printable region of the sheet; using a scanner, scanning the printed sheet to generate an image bitmap of the test pattern-bearing sheet larger than the sheet itself so that the image bitmap contains the sheet edges and measuring in numbers of pixels the distances between the reference targets and/or sheet edges using multiple swaths of the image bitmap itself as the measuring tool; and, using a processor and based on the measured distances, calculating error-associated adjustment values in millimeters to use to correct errors in the registration setup of the image-to-paper in the printer and transferring the error-associated adjustment values to the printer to perform adjustment of its setup actuators.
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