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    • 10. 发明授权
    • Image forming apparatus for forming images on both surfaces of recording
material
    • 用于在记录材料的两个表面上形成图像的图像形成装置
    • US5414501A
    • 1995-05-09
    • US266450
    • 1994-06-28
    • Yasushi MiuraNobuhiko Takekoshi
    • Yasushi MiuraNobuhiko Takekoshi
    • G03G15/01G03G15/16G03G15/23
    • G03G15/1675G03G15/0131G03G15/235
    • An image forming apparatus including an image bearing member for bearing a toner image; a transfer material carrying member for carrying a transfer material, the transfer material being a dielectric sheet; a transferring member for transferring the toner image from the image bearing member onto the transfer material carried on the transfer material carrying member, the transferring member being contactable to a back side of the transfer material carrying member; current controller for keeping constant current supplied to the transferring member; wherein after the toner image is transferred onto a first surface of the transfer material, a toner image can be transferred onto the second surface of the same transfer material; and wherein when the toner image is transferred onto the second surface, the current controller supplies the transferring member with a predetermined current.
    • 一种图像形成装置,包括用于承载调色剂图像的图像承载部件; 用于承载转印材料的转印材料承载构件,所述转印材料是电介质片材; 用于将调色剂图像从图像承载部件转印到承载在转印材料承载部件上的转印材料上的转印部件,该转印部件可与转印材料承载部件的背面接触; 用于保持提供给转印部件的恒定电流的电流控制器; 其中在将调色剂图像转印到转印材料的第一表面上之后,可以将调色剂图像转印到相同转印材料的第二表面上; 并且其中当所述调色剂图像被转印到所述第二表面上时,所述电流控制器向所述转印部件提供预定电流。