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Roller fuser system with fusing member temperature control for printing

  • US 7,680,424 B2
  • Filed: 09/28/2007
  • Issued: 03/16/2010
  • Est. Priority Date: 09/28/2007
  • Status: Expired due to Fees
First Claim
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1. An electrostatographic printer with a roller fusing apparatus comprising:

  • a heated fusing member for fusing toner to sheets of receiver media;

    one or more external heating members in heat transfer contact with said heated fusing member;

    one or more external heat sink members in heat transfer contact with said heated fusing member;

    a pressure member in contact with said heated fusing member to form a fusing nip there between;

    a machine controller for changing fusing nip widths in accordance with the type of receiver media and the image on the media;

    a heating member contact controller associated with said machine controller, for changing contact width between said external heating members and said heated fusing member;

    a heat sink contact controller associated with said machine controller, for changing contact width between said external heat sink members and said heated fusing member;

    and a pressure member nip controller associated with said machine controller, for changing nip width between said pressure member and said heated fusing member.

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