| 摘要 |
An automatic document feeder includes an upper cover, an input tray for placing plural documents, a pick-up module and a stopper module. A guide plate is disposed on the upper cover. The guide plate has a confining aperture. The confining aperture includes a fixing region and a releasing region. The stopper module has a stopping slice inserted into the confining aperture. When the automatic document feeder is enabled and the pick-up module is swung to be close to the input tray, the stopper module is moved from the fixing region of the confining aperture in response to the swinging action of the pick-up module. As such, the stopper module is released and the document is allowed to be fed into the internal portion of the automatic document feeder.
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