| 摘要 |
A powder supply device includes: first and second storage sections that store powder, first and second stirring sections arranged inside the first and second storage sections, a drive section that produces a forward direction rotational force and a reverse direction rotational force to apply a drive force to the first and second stirring sections, first and second transmission shafts that transmit the drive force to the first and second stirring sections, and a transmission switching section that transmits the drive force produced by the forward direction rotational force of the drive section to the first transmission shaft, and that transmits the drive force produced by the reverse direction rotational force of the drive section to the first transmission shaft and the second transmission shaft.
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