Encoded wheel for a toner cartridge

  • US 6,295,422 B1
  • Filed: 04/21/2000
  • Issued: 09/25/2001
  • Est. Priority Date: 02/16/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An encoded wheel for a toner cartridge comprising a plate having preprogrammed indicia positioned at locations defined in relation to a clock face, said preprogrammed indicia including a start indicia positioned between about a 5:

  • 00 o'"'"'clock position and a 6;

    00 o'"'"'clock position, a stop indicia positioned at about a 9;

    00 o'"'"'clock position, at least one preselected cartridge characteristic indicia positioned between said start indicia and said stop indicia, and at least one measurement indicia located between about 200 degrees and about 230 degrees from said 6;

    00 o'"'"'clock position.

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