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Method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit

  • US 20060140647A1
  • Filed: 12/29/2004
  • Published: 06/29/2006
  • Est. Priority Date: 12/29/2004
  • Status: Active Grant
First Claim
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1. A method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit, comprising:

  • determining whether a usage threshold has been reached by said cartridge;

    determining whether said cartridge was previously installed in said imaging apparatus; and

    determining that said cartridge is potentially counterfeit if said usage threshold has been reached and said cartridge was not previously installed in said imaging apparatus.

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