Structure preventing the use of an unauthorized circuit board

  • US 7,113,710 B2
  • Filed: 04/14/2006
  • Issued: 09/26/2006
  • Est. Priority Date: 12/19/2003
  • Status: Expired due to Fees
First Claim
Patent Images

1. A toner cartridge adapted to fit within a toner cartridge-receiving cavity of a printer, comprising:

  • a waste bin;

    a flat mounting surface adapted to receive a first circuit board; and

    a blocking structure that prevents placement of a replacement circuit board into overlying relation to said first circuit board.

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