| 摘要 |
A sheet processing apparatus configured to form a recessed portion at a portion at which a staple is driven into a sheet bundle from a sheet forming a surface of a side into which at least the staple is driven such that a sheet bundle to be discharged next on a sheet bundle stacking unit is stacked on a sheet bundle previously stacked on the sheet bundle stacking unit without catching on a staple of the previously stacked sheet bundle, and an image forming apparatus including the sheet processing apparatus. |
