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    • 2. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20100166446A1
    • 2010-07-01
    • US12646231
    • 2009-12-23
    • Hiroyuki NAGANAWAHiroyuki TSUJIHARAHiroaki NIWAShiro UENO
    • Hiroyuki NAGANAWAHiroyuki TSUJIHARAHiroaki NIWAShiro UENO
    • G03G15/20
    • G03G15/2039
    • An image forming apparatus is provided. The image forming apparatus includes an image forming unit; a fuser having a heating unit to which an alternating voltage is applied from an alternating power supply so as to perform heating; a zero-cross pulse generating unit that generates a zero-cross pulse; a voltage estimating unit that estimates the alternating voltage on the basis of a width of the zero-cross pulse; a temperature detecting unit that detects the temperature of the fuser; a heating control parameter setting unit that sets a heating control parameter for controlling the heating unit on the basis of the alternating voltage estimated by the voltage estimating unit and the temperature of the fuser; and a heating control unit that controls the heating unit on the basis of the heating control parameter set by the heating control parameter setting unit.
    • 提供一种图像形成装置。 图像形成装置包括图像形成单元; 具有加热单元的定影器,从交流电源施加交流电压以进行加热; 产生零交叉脉冲的零交叉脉冲发生单元; 电压估计单元,其基于所述过零脉冲的宽度来估计所述交流电压; 温度检测单元,其检测定影器的温度; 加热控制参数设定单元,其基于由电压推定单元估计的交流电压和定影器的温度,设定用于控制加热单元的加热控制参数; 以及加热控制单元,其基于由加热控制参数设定单元设定的加热控制参数来控制加热单元。