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    Image formation apparatus with switching between color printing mode and monochrome printing mode
    5.
    发明公开
    Image formation apparatus with switching between color printing mode and monochrome printing mode 有权
    Bilderzeugungsvorrichtung mit Wechsel zwischen Farbdruck- und Monochromdruckmodus

    公开(公告)号：EP1674942A2

    公开(公告)日：2006-06-28

    申请号：EP05257585.9

    申请日：2005-12-09

    申请人： CANON KABUSHIKI KAISHA

    发明人： Ogata, Hiroaki ,  Nishizawa, Yuki ,  Teshima, Eiichiro

    IPC分类号： G03G15/01 ,  G03G15/00

    CPC分类号： G03G15/50 ,  G03G15/0136 ,  G03G15/0194 ,  G03G2215/0132 ,  G03G2215/0154

    摘要： An image forming apparatus includes a plurality of photosensitive drums, a plurality of developing devices, an intermediate transfer medium, primary transfer members, and a secondary transfer member for transferring toner images onto a transfer material. A full-color mode and a monocolor mode are selectively carried out. The image forming apparatus also includes a CPU for adjusting the length of a non-image forming region, and an intermediate-transfer-medium movement controller. The CPU brings about a switching state in which an image forming region lies between a primary transfer position on the most downstream one of the photosensitive drums and a secondary transfer position and in which non-image forming regions simultaneously lie at the primary transfer position and at the secondary transfer position. The intermediate-transfer-medium movement controller switches between the full-color mode and the monocolor mode during the switching state.

    摘要翻译： 图像形成装置包括多个感光鼓，多个显影装置，中间转印介质，一次转印部件和用于将调色剂图像转印到转印材料上的二次转印部件。 选择性地执行全色模式和单色模式。 图像形成装置还包括用于调整非图像形成区域的长度的CPU和中间转印介质移动控制器。 CPU产生切换状态，其中图像形成区域位于感光鼓的最下游一个感光鼓上的一次转印位置和二次转印位置之间，并且非图像形成区域同时位于一次转印位置， 二次转移位置。 中间转印介质运动控制器在切换状态期间在全色模式和单色模式之间切换。