Electrophotography – Diagnostics – Document handling
Patent
1996-12-13
1998-09-15
Pendegrass, Joan H.
Electrophotography
Diagnostics
Document handling
399330, H03G 1520
Patent
active
058093893
ABSTRACT:
A fixing device has a fixing roller, a press member disposed in a press state in an axial direction of the fixing roller on the periphery surface thereof, and a transport guide for guiding transport of paper. The press member is formed so that the free height of a guide part on an upstream side with respect to the transport direction of the paper is lower than that of the pressure portion pressed to the fixing roller via a heat resistant sheet. Therefore, since the apparent elasticity hardness of the pressure portion can be made relatively small, the nip width formed by the fixing roller and the press member can be made large. Consequently, the fixing of toner to the paper is improved. Even when, for example, a thin sheet of paper or an envelope is used as the paper, the fixing device can suppress the occurrence of paper jam, such as paper lodging, and improper paper insertion.
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"Energy-Saving Technology in the Fixing System", T. Watanabe et al., Electrophotographic Institute, Vo. 31, No. 2, pp. 156-163, 1992.
"Trend in Energy-Saving Technology in Fixing", K. Akiyama, Resume prepared for the 40th Short Class of Electrophotographic Institute, pp. 31-38, 1995.
"New Fixing System Which can Reduce Warm-Up Time Remarkably", S. Kimura et al., Journal of Electrophotographic Institute, vol. 30, No. 4, pp. 398-402, 1991.
"Subminiature Waitless Fixing System with Pressure Pad", T. Kagawa et al., Japan Hardcopy '96 of Electrophotographic Institute, pp. 133-136.
Kagawa Toshiaki
Tamura Toshihiro
Yokota Shogo
Conlin David G.
Lowry David D.
Pendegrass Joan H.
Sharp Kabushiki Kaisha
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