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Identification card manufacturing security

  • US 7,430,762 B2
  • Filed: 02/21/2003
  • Issued: 09/30/2008
  • Est. Priority Date: 03/01/2002
  • Status: Active Grant
First Claim
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1. A method of authorizing a supply for use with a printing system comprising steps of:

  • a) retrieving a supply-specific security code (SSSC) and supply-specific data from a memory of the supply;

    b) translating the SSSC using the supply-specific data;

    c) authorizing use of the supply with the printing system when the translated SSSC is valid;

    d) retrieving a supply customer-specific security code (CSSC);

    e) retrieving a system CSSC and system-specific data;

    f) translating the supply CSSC using the supply-specific data;

    g) translating the system CSSC using the system-specific data; and

    h) authorizing use of the supply with the printing system when the translated system CSSC and the translated supply CSSC correspond.

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