| 摘要 |
PROBLEM TO BE SOLVED: To provide a decurling mechanism capable of adequately adjusting the decurling force according to the curling strength of a piece of paper. SOLUTION: The decurling mechanism is configured so that a position changing roller 83 moves a decurling roller 82 among a plurality of decurling positions from the weakest decurling position to the strong decurling position. In this manner, the decurling force applied to each piece of paper web is set large when the piece of paper web P2 has a length not smaller than a predetermined value, but set small when the piece of paper web P2 has a length smaller than the predetermined value. COPYRIGHT: (C)2009,JPO&INPIT
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