| 摘要 |
According to one embodiment, a fixing device includes: a heating roller including a heat generating member on the inside; a pressing roller arranged to be opposed to the heating roller across a recording medium conveying path; a first temperature sensor configured to detect the temperature of the heating roller; a second temperature sensor set in non-contact with the pressing roller; a driving motor configured to drive the heating roller, and a control section configured to receive outputs from the first and second sensors and control, if the control section determines that a creep phenomenon is present in the pressing roller, the driving motor to extend a pre-run operation.
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