| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet feeder which returns sheets 2 fed by a mistaken operation to a tray 1 even when the plurality of sheets 2 overlapped and are mistakenly fed to a feed roller 4 to a pickup roller 3, and the returned sheets 2 are reliably stored in a predetermined position of the tray 1. SOLUTION: The sheet feeder comprises a sheet feeding tray 1 capable of stacking sheets 2 of a plurality of sizes, a pickup roller 3, a feed roller 4 and a separate roller 6. The sheet feeder has a stopper 10 capable of preventing the sheets 2 returned by the separate roller 6 from being excessively retracted from the predetermined position on the tray 1, and retracting the sheets from a sheet stacking part on the tray 1. COPYRIGHT: (C)2008,JPO&INPIT
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