| 摘要 |
A sheet feeding device includes a sheet storing unit in which sheets are stacked; a lifting unit that lifts and lowers the sheets; an air blowing unit that blows air to an end faces of the stacked sheets; a feeding roller that is pressed against an upper surface of an uppermost sheet of the sheets and feeds the uppermost sheet by rotating; and a supplying roller that supplies the uppermost sheet, wherein the lifting unit is driven so that height of the uppermost sheet, which is fed by the feeding roller while air is blown by the air blowing unit, is set to be lower than height of the uppermost sheet, which is fed by the feeding roller while air is not blown by the air blowing unit.
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