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Invention Grant
US07804511B2 Image forming apparatus, exposure apparatus, image holder, image forming method, and exposing method 有权
图像形成装置，曝光装置，图像保持器，图像形成方法和曝光方法

Image forming apparatus, exposure apparatus, image holder, image forming method, and exposing method
Abstract:
An image forming apparatus includes: an image holder; an exposure member that has an exposure portion exposing the image holder; a first positioning unit that determines a distance in a first direction, which is a direction of an optical axis of the exposure member, between the exposure member and the image holder; and a second positioning unit that determines a position of the exposure member with respect to the image holder in a second direction being a direction of an axis line of the image holder, and a position of the exposure member with respect to the image holder in a third direction being perpendicular to both the first direction and the second direction, and that determines the distance between the exposure member and the image holder at a position substantially closer to the exposure member than the position of the first positioning unit.
Abstract(Chinese):

图像形成装置包括：图像保持器; 曝光构件，其具有暴露所述图像保持器的曝光部; 第一定位单元，在曝光构件和图像保持器之间确定作为曝光构件的光轴的方向的第一方向上的距离; 以及第二定位单元，其确定曝光构件相对于图像保持器在第二方向上的位置是图像保持器的轴线的方向，并且曝光构件相对于图像保持器的位置在 第三方向垂直于第一方向和第二方向，并且确定曝光构件和图像保持器在比第一定位单元的位置更接近曝光构件的位置处的距离。

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