To structure a slide device of a rotary printer for processing paper sheet so as to be easily handled.

This slide device for the rotary printer for processing paper sheet is constituted of a carriage 3 slidable along a slide orbit in the pressing-out direction and the opposite direction. The carriage is divided into two sections 3.1, 3.2 along the pressing-out direction and the divided sections are connected with each other by a drag joint having a joint shaft extending vertically for the slide orbit. The carriage 3 is appropriate for forming a stand drawable from a delivery device of a machine for paper sheet taken out of the delivery device and can slide without inclination, and accordingly the device is structured so as to be easily handled.