| 摘要 |
According to one embodiment, a sheet processing apparatus includes a reinforce roller to further reinforce the fold of a sheet which has been folded by a fold roller pair, a support portion to move the reinforce roller in a direction perpendicular to a sheet conveying direction, a sensor to sense a position of the support portion, a distance sensing portion to sense a distance to a first position and a distance to a second position from a stop position of the support portion, when the sensor senses an abnormal stop of the support portion, and a control unit to compare the distance to the first position and the distance to the second position sensed by the distance sensing portion and to control the support portion to move in a direction where a moving distance is shorter.
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