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    • 8. 发明授权
    • Fixing unit and image forming apparatus
    • 定影单元和成像设备
    • US08942608B2
    • 2015-01-27
    • US13848793
    • 2013-03-22
    • Kenji TsuruYoshito Hashimura
    • Kenji TsuruYoshito Hashimura
    • G03G15/20G03G15/00
    • G03G15/50G03G15/2028
    • The print performance of an image forming apparatus is improved by adequately estimating the behavior of a sheet receiving separation air and controlling the output of separation air. A fixing control unit 50 controls a shutter drive unit 52 defining the flow passage area on the basis of the displacement detected of the separation claw 42 to control the output of separation air. Since the sheet receiving separation air exerts a force on the separation claw 42, it is possible to estimate whether or not the behavior of the sheet is appropriate by monitoring the displacement of the separation claw 42. While different types of paper may move in different ways, the influence of separation air is dominant in the behavior of a sheet which is conveyed, and therefore the sheet can be prevented from moving in an inappropriate condition by controlling the output of separation air.
    • 通过适当地估计接收分离空气的片材的行为并控制分离空气的输出来提高图像形成装置的打印性能。 定影控制单元50基于检测到的分离爪42的位移来控制限定流路面积的快门驱动单元52,以控制分离空气的输出。 由于纸张接收分离空气在分离爪42上施加力,因此可以通过监视分离爪42的位移来估计纸张的行为是否合适。虽然不同类型的纸可能以不同的方式移动 分离空气的影响在被输送的片材的行为中是主要的,因此可以通过控制分离空气的输出来防止片材在不适当的状态下移动。