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    • 2. 发明公开
    • 화상형성장치 및 그 제어방법
    • 图像形成装置及其方法
    • KR1020090059235A
    • 2009-06-11
    • KR1020070125978
    • 2007-12-06
    • 삼성전자주식회사
    • 이재성
    • G03G15/00G03G15/04
    • H04N1/00002H04N1/00013H04N1/00018H04N1/00034H04N1/00045H04N1/00092H04N1/00687H04N1/00745H04N1/12H04N2201/03104
    • An image forming apparatus and a controlling method thereof are provided to avoid shading correction if an abnormal pixel is generated, thereby preventing deterioration of picture quality of a manuscript image. A reflecting member(20) reflects light to a scanning device at a position separated from a scan glass at a certain distance. A mobile device(30) moves the reflecting member. A controller decides whether data initially obtained from the light received from the scanning device is suitable for shading correction. If not, the controller moves the reflecting member by using the mobile device to re-obtain the data. The mobile device moves up or down the reflecting member according to supply of power in connection with the reflecting member.
    • 提供一种图像形成装置及其控制方法,以避免产生异常像素时的阴影校正,从而防止原稿图像的图像质量劣化。 反射构件(20)在与扫描玻璃隔开一定距离的位置处将光反射到扫描装置。 移动装置(30)移动反射构件。 控制器决定最初从扫描装置接收的光获得的数据是否适合于阴影校正。 如果不是,则控制器通过使用移动设备移动反射构件以重新获取数据。 移动装置根据与反射构件相关联的电力供应而向上或向下移动反射构件。