| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sheet processing device and an image formation system configured to be able to completely eliminate damage such as indentations or the like, when a centre folding part of a sheet is pressed.SOLUTION: A sheet processing device includes: folding means for folding a sheet bundle SB; and additional folding means for enhancing folds of the sheet bundle folded by the folding means by re-pressurizing the folds. The additional folding means 260 includes a pressing member 261 having a longitudinal direction along a transport direction of transporting the sheet bundle SB, and movable in a width direction of the sheet bundle SB. The pressing member 261 presses a downstream side of the sheet bundle SB in the transport direction by locating the downstream of the sheet bundle SB in the transport direction downward in the longitudinal direction.</p> |
