| 摘要 |
PCT No. PCT/JP92/01616 Sec. 371 Date Aug. 10, 1993 Sec. 102(e) Date Aug. 10, 1993 PCT Filed Dec. 10, 1992 PCT Pub. No. WO93/12026 PCT Pub. Date Jun. 24, 1993.A paper feeder installed in a recording apparatus is capable of selectively performing two-sided recording on sheet paper and includes a paper supply passageway for supplying the sheet paper to a recording unit of the recording apparatus, a paper eject passageway for ejecting from the recording unit the sheet paper on which recording has been performed and a paper bypass passageway which extends between the paper supply passageway and the paper eject passageway. A paper switching unit is provided at a branched portion between the paper eject passageway and the paper bypass passageway. Paper feed rollers can be driven in forward and reverse directions so that the sheet paper can be fed along the paper eject passageway in two directions. The paper feed rollers are arranged on the downstream side of the paper switching unit in the ejection direction of the sheet paper. After the sheet paper on which recording has been performed on one side at the recording unit of the recording apparatus is once fed along the paper eject passageway by the forward direction driving operation of the paper feed rollers, the sheet paper is fed through the paper switching unit to the paper bypass passageway by the reverse direction driving operation of the paper feed rollers, whereby reversal of the sheet paper is carried out.
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