| 摘要 |
A duplex-image reading apparatus and a method for the same. The duplex-image reading apparatus comprises a document feeding path along which a document supplied from a document supply tray is passed through an image reading unit for an image reading operation and discharged to the outside of a main body of the duplex-image reading apparatus by a discharging roller, a document returning unit for returning a feeding direction of the document being discharged by the discharging roller, so that a rear end of the document becomes a leading end, a sensor mounted on the document feeding path to detect a length of the document, and at least two document returning paths having different lengths according to the length of the document detected by the sensor. Accordingly, generation of an unnecessary path can be restrained by varying the document returning path when returning the document according to the length of the document, and therefore image reading speed can be improved.
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