A staple-less binding unit 27 is disposed between a front cover 121 and a sheet stacking table 16, and an insertion port 110 is formed on a first surface 121a of the front cover 121 so that manual binding by the staple-less binding unit 27 can be executed from the front side of the apparatus. The staple-less binding unit 27 is provided at a position overlapping a stapling unit 17 positioned at a replacement position in a front-rear direction.