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    • 3. 发明申请
    • IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    • 图像形成装置和图像形成方法
    • US20150220028A1
    • 2015-08-06
    • US14602766
    • 2015-01-22
    • Masahiro SameiTomoya AdachiDaisuke InoueYasuharu KawarasakiYoshiharu Takahashi
    • Masahiro SameiTomoya AdachiDaisuke InoueYasuharu KawarasakiYoshiharu Takahashi
    • G03G15/20
    • G03G15/2039G03G2215/2035
    • An image forming apparatus includes a controller including a primary heating control portion to control a heater to perform a primary heating to heat a fixing rotator with a first amount of power determined based on a temperature of the fixing rotator, a secondary heating control portion to control the heater to perform a secondary heating to heat the fixing rotator with a preset second amount of power, and a switch portion to control the heater to switch between the primary heating and the secondary heating during an identical print job and to perform at least one of a primary switching from the primary heating to the secondary heating and a secondary switching from the secondary heating to the primary heating at a time different from a preset control cycle that defines a power supply time in the primary heating and the secondary heating.
    • 图像形成装置包括控制器,该控制器包括主加热控制部分,用于控制加热器以基于定影旋转器的温度确定的第一功率量来对定影旋转器进行加热;第二加热控制部分,用于控制 所述加热器以预定的第二量的功率进行二次加热以加热所述定影旋转器;以及开关部分,用于在相同的打印作业期间控制所述加热器在所述一次加热和所述二次加热之间切换,并且执行以下步骤中的至少一个: 从初级加热到二次加热的主要切换以及与在一次加热和二次加热中限定供电时间的预设控制周期不同的时间从二次加热到主加热的二次切换。