| 摘要 |
A paper feeder of a printer 1 includes a manual feed tray 21, a paper feeder roller 23, and a flapper drive unit 25. The manual feed tray 21 has a flapper 33 which can move up and down in the paper stacking direction. The paper feeder roller 23 is located above the manual feed tray 21, and is able to feed the paper on the flapper 33. The flapper drive unit 25 can move the flapper 33 up and down in the paper stacking direction to contact the paper feeder roller 23 through the paper, and moves the flapper 33 up and down at least from the moment that the paper is placed in the manual feed tray 21 until the paper is fed by the paper feeder roller 23.
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