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    Image forming apparatus
    2.
    发明公开
    Image forming apparatus 有权
    Bilderzeugungsvorrichtung

    公开(公告)号：EP2744189A1

    公开(公告)日：2014-06-18

    申请号：EP13195279.8

    申请日：2013-12-02

    申请人： CANON KABUSHIKI KAISHA

    发明人： Nihei, Hironobu ,  Mizuta, Takayuki

    IPC分类号： H04N1/50 ,  H04N1/053 ,  H04N1/113 ,  H04N1/12 ,  G06K15/12

    CPC分类号： G06K15/1219 ,  G06K15/129 ,  H04N1/506 ,  H04N2201/04729

    摘要： An image forming apparatus includes: first and second photosensitive members; first and second light sources; a rotatable polygonal mirror; a first signal output means using beam detection of the first light source; and a second signal output means, the second signal being based on the first signal. The first light source emits the light at timing on the basis of the first signal and the second light source emits the light at timing on the basis of the second signal so that latent images are formed on the first and second photosensitive members, respectively, and then are developed with developers to form developer images on the first and second photosensitive members, respectively, and then an image is formed by superposing the developer images. Before output of a second signal from the second signal output portion is started, the first light source emits the light on the basis of a first signal to start formation of the latent image on the first photosensitive member.

    摘要翻译： 一种成像设备包括：第一和第二感光元件; 第一和第二光源; 可旋转多面镜; 第一信号输出装置，使用第一光源的光束检测; 和第二信号输出装置，所述第二信号基于所述第一信号。 第一光源基于第一信号在定时发射光，并且第二光源基于第二信号在定时发射光，使得潜像分别形成在第一和第二光敏元件上，以及 然后用显影剂显影以分别在第一和第二感光构件上形成显影剂图像，然后通过叠加显影剂图像形成图像。 在来自第二信号输出部分的第二信号的输出开始之前，第一光源基于第一信号发射光，以开始在第一感光部件上形成潜像。