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    • 70. 发明申请
    • FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND FIXING METHOD
    • 固定装置,成像装置的图像形成装置和固定方法
    • US20120045241A1
    • 2012-02-23
    • US13195241
    • 2011-08-01
    • Yoshiharu TakahashiToshio Ogiso
    • Yoshiharu TakahashiToshio Ogiso
    • G03G15/20
    • G03G15/2039G03G15/2032G03G2215/2032
    • A fixing device includes a temperature controller that controls a temperature of a fixing rotary body based on the temperature of the fixing rotary body detected by a temperature detector so as to heat the fixing rotary body to a plurality of preset target temperatures that includes a first target standby temperature, a target fixing temperature, a target idle temperature, and a second target standby temperature. When the target fixing temperature is lower than the first target standby temperature, the temperature controller separates a pressing rotary body from the fixing rotary body to idle the fixing rotary body for a predetermined idle time period before a fixing operation starts. After the fixing operation, the temperature controller controls a heater to change the temperature of the fixing rotary body to the second target standby temperature.
    • 定影装置包括温度控制器,其基于由温度检测器检测的定影旋转体的温度来控制定影旋转体的温度,以便将定影旋转体加热到包括第一目标的多个预设目标温度 待机温度,目标固定温度,目标怠速温度和第二目标待机温度。 当目标定影温度低于第一目标待机温度时,在定影操作开始之前,温度控制器将固定旋转体将压紧旋转体与定影旋转体分离预定的空闲时间段。 在定影操作之后,温度控制器控制加热器以将定影旋转体的温度改变到第二目标待机温度。