Toner image fixing device for preventing curling of recording me

Electrophotography – Image formation – Fixing

Patent

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399 68, 399 69, G03G 1520

Patent

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061189677

ABSTRACT:
Curling of edges of recording paper in a toner-image fixing device is prevented. A temperature control unit controls the operation of a heater-lamp for heating a fixing roller in such a way that the fixing roller temperature when the front edge of recording paper enters into the fixing device is lower than the fixing roller temperature when a tail end of the recording paper enters.

REFERENCES:
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patent: 5546175 (1996-08-01), Uehara et al.
patent: 5563696 (1996-10-01), Futagawa et al.
patent: 5621512 (1997-04-01), Uehara et al.
patent: 5708947 (1998-01-01), Kagawa et al.
patent: 5790931 (1998-08-01), Tsuji et al.
patent: 5809389 (1998-09-01), Tamura et al.
Patent Abstracts of Japan, vol. 095, No. 008, Sep. 29, 1995, and JP 07 114283 A May 2, 1995.

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