A regulation device regulates movement in a width direction of a rolled sheet which is a recording medium of a printer. The regulation device includes: a first rack gear connected to one guide support unit supporting the rolled sheet so that movement to one side of the width direction is regulated, and provided to be movable in the width direction; a second rack gear connected to the other guide support unit supporting the rolled sheet so that movement to the other side of the width direction is regulated, and provided to be movable in the width direction; a pinion gear engaging with the first and second rack gears; and a regulation gear that engages with the first rack gear to rotate and regulates the movement of the first and second rack gears by regulating the rotation.

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.