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Multi-function monitoring module for a printer

  • US 6,419,342 B1
  • Filed: 09/25/2000
  • Issued: 07/16/2002
  • Est. Priority Date: 11/19/1999
  • Status: Expired due to Fees
First Claim
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1. A method of printing information in the form of dots on a printing medium, comprising the steps of:

  • supplying the information to be printed to a dot printer;

    printing a test pattern on the medium;

    optically detecting the test pattern;

    comparing the test pattern with a reference;

    adapting printer settings if a deviation between the test pattern and the reference is detected, and printing the information supplied to the printer, characterized in that the step of detecting the test pattern comprises detecting the gray scale of a test print line and detecting the size of at least one individual test dot.

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