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Methods and apparatus for aligning print heads

  • US 20060092199A1
  • Filed: 12/22/2004
  • Published: 05/04/2006
  • Est. Priority Date: 11/04/2004
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a stage adapted to move a substrate relative to print heads during printing;

    at least one print head suspended from a support above the stage and adapted to be moveable in a plane above the stage;

    a controller operable to rotate the print head about a center of the print head; and

    an imaging system adapted to capture an image of the print head and to determine a center point of the print head based upon images of the print head captured as the print head is rotated.

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