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    • 6. 发明授权
    • Fixing device, fixing device control method, and image forming apparatus
    • 定影装置,定影装置控制方法和图像形成装置
    • US09354567B2
    • 2016-05-31
    • US13272629
    • 2011-10-13
    • Takumi WaidaRyota YamashinaYasunori IshigayaMasahiro Samei
    • Takumi WaidaRyota YamashinaYasunori IshigayaMasahiro Samei
    • G03G15/20
    • G03G15/2046
    • A fixing device includes a rotatable fuser member a heater, a rotatable pressure member, a thermometer, and a feedback controller. The rotatable fuser member is subjected to heating. The heater heats the fuser member to a heating temperature. The rotatable pressure member is disposed opposite the fuser member. The fuser member and the pressure member are pressed against each other to form a fixing nip therebetween, through which the recording medium is conveyed, so as to fix the toner image in place under heat and pressure. The thermometer is disposed adjacent to the pressure member to detect an operational temperature of the pressure member. The feedback controller is operatively connected with the thermometer to control the heating temperature according to the detected operational temperature, so that the recording medium exhibits a substantially constant post-fixing temperature downstream from the fixing nip regardless of the heat capacity of the recording medium.
    • 定影装置包括可旋转的定影器构件,加热器,可旋转压力构件,温度计和反馈控制器。 可旋转的定影器构件经受加热。 加热器将定影器加热至加热温度。 可旋转的压力构件设置成与定影器构件相对。 定影器构件和压力构件彼此挤压以在其间形成定影夹紧,通过该定影夹持物传送记录介质,以便在加热和压力下将调色剂图像固定就位。 温度计设置在与压力部件相邻的位置,以检测压力部件的工作温度。 反馈控制器与温度计可操作地连接,以根据检测到的操作温度来控制加热温度,使得记录介质在定影辊隙的下游表现出基本上恒定的后定影温度,而与记录介质的热容无关。