Patent ID: 6032015
Filing Date: 2000-02-29
Classification: G03G

Abstract:
A fixing system for simultaneously fixing toner images formed on both sides of an image printing medium, comprising:a pair of first and second fixing rollers defining a nip area therebetween, the image printing medium bearing the toner images on an obverse side and a reverse side of the image printing medium being passed through said nip area;wherein, in the nip area, a rotation speed of said first fixing roller, which comes in contact with a toner image, not yet fixed, formed on the obverse side of the image printing medium is set to be substantially equal to a rotation speed of said second fixing roller, which comes in contact with a toner image, not yet fixed, formed on the reverse side of the image printing medium; andwherein each of said first and second fixing rollers comprises a metallic roller, an elastic layer formed on said metallic roller, and a release resin layer, and wherein said metallic roller, the elastic layer and the release resin layer of said first and second fixing rollers have exactly the same diameters, and the thickness of said elastic layer is 50 .mu.m or thicker.