| 摘要 |
A paper reversing assembly includes a paper roller, a driving member, and a plurality of balls. The paper roller includes a recess defined in an end portion thereof and a plurality of concave portions formed on the internal circumferential sidewall of the recess. The driving member is received in the recess and includes a plurality of lobes, which interact with the balls to allow the free rotation of the paper roller when the paper is being pulled out.
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