SHEET POST-PROCESSING DEVICE AND IMAGE FORMING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a sheet post-processing device capable of forming a booklet from which a sheet is less likely to be peeled and dropped without using a metal staple.SOLUTION: A sheet post-processing device 201 performs post-processing on a sheet subjected to image formation. The sheet post-processing device includes: a sheet binding means 210 preparing a booklet by performing binding processing on a plurality of sheets without using a metal staple; and a fold mark forming means 327 forming a fold mark on the sheet. The fold mark forming means 327 forms the fold mark in the vicinity of the bound portion by the sheet binding means 210.