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    • 6. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20080131168A1
    • 2008-06-05
    • US11987608
    • 2007-12-03
    • Yasuhisa EharaKazuhiko KobayashiJoh EbaraToshiyuki UchidaNoriaki FunamotoKeisuke Sugiyama
    • Yasuhisa EharaKazuhiko KobayashiJoh EbaraToshiyuki UchidaNoriaki FunamotoKeisuke Sugiyama
    • G03G15/00G03G15/01
    • G03G15/5008G03G2215/0119G03G2215/0161
    • An image forming apparatus includes at least first, second and third image carriers, a first drive source, a second drive source, at least one visible image forming mechanism for forming a visible image on the image carriers, a transfer unit for overlappingly transferring the visible images, an image detector, and a controller. The first drive source transmits a driving force to at least the first image carrier. The second drive source transmits a driving force to at least two image carriers other than the first image carrier. The controller calculates an amount of misalignment of the overlapped visible images that remain at the start timing of image formation based on the start timing of image formation after the timing correction, and separately determines driving speeds of the first and the second drive sources based on the amount of misalignment of the overlapped visible images.
    • 图像形成装置至少包括第一,第二和第三图像载体,第一驱动源,第二驱动源,用于在图像载体上形成可见图像的至少一个可视图像形成机构,用于重叠地转移可见光 图像,图像检测器和控制器。 第一驱动源将驱动力传递给至少第一图像载体。 第二驱动源将驱动力传递给除了第一图像载体之外的至少两个图像载体。 控制器基于在定时校正之后的图像形成的开始时刻,计算保持在图像形成的开始定时处的重叠的可见图像的未对准量,并且基于该第一和第二驱动源分别确定第一和第二驱动源的驱动速度 重叠的可见图像的未对准量。