Image quality control method and apparatus for multiple marking engine systems
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United States of America Patent
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Apr 13, 2010
Grant Date -
Sep 28, 2006
app pub date -
Mar 25, 2005
filing date -
Mar 25, 2005
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Abstract
A full width array CCD sensor is incorporated in the media path to monitor fused pages by calculating area coverage from multiple engines in a Tightly Integrated Parallel Process (TIPP) architecture. With knowledge of the area coverage differences between print engines for a given pixel count to the ROS, a relative density difference of each engine is determined. Based on the determined relative density difference, an adjustment is calculated and applied to the engine with the largest error to match the area coverage(s) of the other engine(s).
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