| 摘要 |
A sheet feeder of the invention includes a sheet-feed opening for feeding sheets into a sheet transporting path that is provided inside a body of the sheet feeder; a sheet-discharge opening for discharging the sheets that have passed through the sheet-transporting path; a sheet-holding tray which holds the sheets that have been fed into the sheet-transporting path, which is rotatably provided at the body of the sheet feeder, and which is movable to a position where the sheet-holding tray holds the sheets and to a location where the sheet-holding tray covers the sheet-feed opening; and a discharged-sheet holding tray which holds the sheets that have been discharged, which is rotatably provided at the body of the sheet feeder, and which is movable to a position where the discharged-sheet holding tray holds the sheets that have been discharged from the sheet-discharge opening and to a location where the discharged-sheet holding tray covers the sheet-discharge opening. In the sheet feeder, when either one of the sheet-feed opening and the sheet-discharge opening that is disposed above the other is to be covered, the sheet-holding tray or the discharged-sheet holding tray is subjected to inversion rotation so that a surface of the sheet-holding tray or the discharged-sheet holding tray that is formed opposite to a sheet-loading surface thereof forms a surface of the body of the sheet feeder in order to cover either one of the sheet-feed opening and the sheet-discharge opening. On the other hand, when either of the other of the sheet-feed opening and the sheet-discharge opening is to be covered, the sheet-holding tray or the discharged-sheet holding tray is moved so that the sheet-loading surface of the sheet-holding tray or the discharged-sheet holding tray forms the surface of the body of the sheet feeder in order to cover either of the other of the sheet-feed opening and the sheet-discharge opening.
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