| 摘要 |
A fixing device includes a rotatably supported endless belt and a nip forming member arranged outside the belt in circumferential contact therewith to form a nipping region. Heat generators are arranged adjacent the nipping region. Each heat generator is extended in a transverse direction of the belt, and spaced apart a certain distance from the neighboring one. A controller controls the heat generators so that a temperature of the belt heated by one of heating means is maintained until a subsequent heating.
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