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    • 69. 发明授权
    • Image forming apparatus and image forming method with error corrected potential measurements
    • 具有误差校正电位测量的图像形成装置和图像形成方法
    • US08244146B2
    • 2012-08-14
    • US13166980
    • 2011-06-23
    • Yoshitaka ZaitsuTakashi UshijimaKaoru NoguchiKazuhiko KatoToshiyuki Ogawa
    • Yoshitaka ZaitsuTakashi UshijimaKaoru NoguchiKazuhiko KatoToshiyuki Ogawa
    • G03G15/00
    • G03G15/5037G03G2215/00054
    • There is provided an image forming apparatus and method capable of reducing a measurement error in a measurement result of the surface potential of an electrostatic latent image formed on the surface of an image bearing member. The measurement error occurs under the influence of an electric field generated from a pre-exposed area. Consequently, miniaturization of an image forming apparatus and consistent print quality can be achieved. The image forming apparatus includes an image forming control section for determining an error correction value corresponding to the charge state of a latent image on the basis of relationships between charge states of the latent image and error correction values which have been prepared in advance, computing an error corrected potential measurement value using the error correction value and a potential measurement value, and controlling the image forming apparatus on the basis of the error corrected potential measurement value.
    • 提供了一种图像形成装置和方法,其能够降低在图像承载部件的表面上形成的静电潜像的表面电位的测量结果中的测量误差。 测量误差发生在从预曝光区域产生的电场的影响下。 因此,可以实现图像形成装置的小型化和一致的打印质量。 图像形成装置包括图像形成控制部分,用于根据潜在的图像的电荷状态和预先准备的误差校正值之间的关系来确定与潜像的电荷状态对应的误差校正值,计算 使用误差校正值和电位测量值的误差校正电位测量值,并且基于误差校正电位测量值来控制图像形成装置。