| 主权项 |
1. A sheet folding device for separating sheets loaded on a paper feed tray one by one between a separating roller and a separating member arranged along a sheet width direction of the sheet, transferring the sheet into a printing unit, printing an ink image on the sheet in the printing unit, and then performing a folding process on the printed sheet, the sheet folding device comprising:
first and second folding rollers as a pair arranged on a sheet transfer path located downstream of the printing unit and configured to form a fold on the printed sheet, wherein at least the first folding roller comprises
a small-diameter portion formed at a position corresponding to a range of a width of the separating roller in the sheet width direction, anda large-diameter portion formed at a position other than the position of the small-diameter portion. |
