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    • 7. 发明授权
    • Image forming apparatus and control method therefor
    • 图像形成装置及其控制方法
    • US07420583B2
    • 2008-09-02
    • US10676804
    • 2003-10-01
    • Mitsuhiko SatoShokyo KohTakashi FujimoriHidenori Sunada
    • Mitsuhiko SatoShokyo KohTakashi FujimoriHidenori Sunada
    • B41J15/14B41J27/00
    • H04N1/46
    • There is provided an image forming apparatus which is capable of reducing a period of time required for obtaining an image output, in the case of changing the image forming operation from a monochromatic image formation to a color image formation during execution of the image forming operation. A plurality of image forming units form images and overlap images the formed images onto a transfer material. A preparation for image formation is started in a first mode in which image formation is carried out by the plurality of image forming units while image formation is being carried out in a second mode in which image formation is carried out by at least one of the image forming units. The image formation is carried out in the first mode after the image formation in the second mode is completed.
    • 提供了一种图像形成装置,其能够在执行图像形成操作期间将图像形成操作从单色图像形成改变为彩色图像形成时减少获得图像输出所需的时间。 多个图像形成单元形成图像并将形成的图像重叠到转印材料上。 用于图像形成的准备在第一模式中开始,其中在第二模式中执行图像形成的多个图像形成单元执行图像形成,其中图像形成由图像中的至少一个执行 成型单元。 在第二模式中的图像形成完成之后,以第一模式进行图像形成。
    • 9. 发明授权
    • Fixing apparatus
    • 固定装置
    • US06952541B2
    • 2005-10-04
    • US10673502
    • 2003-09-30
    • Takashi FujimoriEiichi MotoyamaHidenori SunadaTakahiko Yamaoka
    • Takashi FujimoriEiichi MotoyamaHidenori SunadaTakahiko Yamaoka
    • G03G15/20G03G21/00
    • G03G15/205
    • A fixing apparatus for fixing a toner image on a recording material by heat has a pair of rotary members having a heat generating member, and rotatable in contact with each other, electric power supply controller for controlling electric power supply to the heat generating member so that the temperature of at least one of the rotary members may become a set temperature, and rotation time setting unit for setting a time for which the electric power supply control is effected after the shift from a warming-up operation to a fixing capable state and the pair of rotary members are rotated continuously from rotation during the warming-up operation, on the basis of the time of the warming-up operation.
    • 用于通过加热将调色剂图像定影在记录材料上的定影装置具有一对具有发热部件的旋转部件,并且能够彼此接触地旋转,用于控制向发热部件供电的电力供应控制器, 旋转构件中的至少一个的温度可以变为设定温度,以及旋转时间设定单元,用于设定在从预热操作转移到定影能力状态之后进行电力供应控制的时间,并且 基于预热操作的时间,一对旋转构件在预热操作期间从旋转连续旋转。