| 摘要 |
PROBLEM TO BE SOLVED: To provide a space-saving sheet post-processing device, and to provide an image forming system having the sheet post-processing device.SOLUTION: A sheet post-processing device includes: a punching unit punching a sheet conveyed in a horizontal direction from an outside and transferred to a punching position; a binding unit located below the punching unit and binding a sheet bundle formed by laminating the sheets transferred from the punching unit to a binding position; a holding means, in which a holding part (clamp) fixed to a circulating endless belt and holding the sheets transfers the sheets conveyed from the outside by circularly moving the endless belt, to the punching position while holding the sheets, and transfers the sheets from the punching position to the binding position; and a supporting means placed at a supporting position to support the sheets from under the sheets and moved between the supporting position and a retracting position not to stop the transfer of the sheets. |
