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Fixing device comprising controller which judges whether or not fixing belt is rotating and image forming apparatus including same
Fixing device comprising controller which judges whether or not fixing belt is rotating and image forming apparatus including same
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机译:包括判断定影带是否旋转的控制器的定影装置以及包括该控制器的图像形成装置
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摘要
A fixing device includes a fixing belt, a pressuring member, a heat source, a pressing member, a temperature sensor and a controller. A detected region whose temperature is detected by the temperature sensor is formed in the fixing belt, and an elastic layer of the detected region is provided with a hole in a part thereof in a circumferential direction. The controller judges that the fixing belt is rotating in a case where the temperature detected by the temperature sensor alternately increases and decreases in a state that the heat source is heating the fixing belt, and judges that the fixing belt is not rotating in a case where the temperature detected by the temperature sensor does not alternately increase and decrease in the state that the heat source is heating the fixing belt.
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