| 摘要 |
An automatic document feeder is formed of a platen including a reading position for reading an image of a transferring document, a feed roller device for transferring the document to the reading position on the platen, a register roller device for supplying the document to the feed roller, and a control device for controlling the register roller device so as to transfer in the reading position at substantially the same speed as document transferring speed of the feed roller; wherein in the step of transferring the document, the control device momentarily accelerates a speed of the document transferred by the register roller faster than a speed of feeding the document by the feed roller device.
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