| 摘要 |
A fixing device includes a heating roller, a pressing roller, a fixing belt for forming a fixing nip, and a belt pressing member which slidably supports and presses the inner circumferential surface of the fixing belt in the entire fixing nip. Since a fixing nip can sufficiently expand and a time that a printable medium passes through the fixing nip can increase, a fixing temperature can be lowered while maintaining image fixing quality, and power consumption and a warming-up time can be reduced. In addition, looseness of the fixing nip due to an air gap can be prevented and thus good image fixing quality can be ensured.
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