| 摘要 |
PROBLEM TO BE SOLVED: To perform sufficient folding addition to a folding of a recording material bundle.SOLUTION: An upper roller 531A includes one or more recesses and protrusions respectively, and presses a folding of a booklet S subjected to folding processing. A lower roller 531B includes one or more recesses and protrusions respectively, and supports the folding of the booklet S by holding it with the upper roller. The upper roller and the lower roller are moved in the direction in which the folding of the booklet S is formed in the state where the recesses of the upper roller and the protrusions of the lower roller sandwich the folding of the booklet S, and the protrusions of the upper roller and the recesses of the lower roller sandwich another folding of the booklet S.SELECTED DRAWING: Figure 6 |
