To easily take out the discharged printing paper sheet and reduce the space.

A printing paper sheet discharged from the paper discharging port of the upper part of the printer 6 is delivered to the side of the printer 6 on the paper conveyance tray 8. The printing paper sheet horizontally fed is guided downward and passed in the passage unit 9, and the moving direction of the printing paper sheet fed from the passage unit 9 is distributed in the side vertical discharging unit 10 and stored in either of a plurality of storage areas 36a, 36b of the vertical paper storage unit 11. The printing paper sheet stored in the respective storage areas 36a, 36b is removed from the paper take-out port 33 provided on the front surface side of the printer 6.