Heating roller apparatus for equipment using an electrophotograp

Details Heating roller apparatus for equipment using an electrophotograp Heating roller apparatus for equipment using an electrophotograp

1996-03-18

2000-04-11

Braun, Fred L

Electrophotography

Image formation

Fixing

399336, G03G 1520

Patent

active

060496924

ABSTRACT:
A fixing unit for an electrophotographic printing device includes a heating roller having an outermost surface for engaging a printable medium, and an innermost surface coated with an infrared radiation material for absorbing heat. A halogen lamp is axially installed along a central shaft within an interior of the heating roller for generating the heat absorbed by the infrared radiation material. A pressure roller is provided for engaging and applying pressure upon the printable medium as the printable medium passes between the heating roller and the pressure roller. The infrared radiation material is preferably formed with ceramics, and readily absorbs electromagnetic waves exhibiting wavelengths from 3 to 1000 microns.

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