To provide a sorting device which can reduce and accelerate the work time for sorting a plurality of print jobs, and prevent a tape piece Ta from being carried away together with printing sheets.
The sorting device includes: tape transfer rollers 114, 115 that transfer tape T onto a sheet delivery tray 67; a cutter 118 that cuts the tape T transferred by the tape transfer rollers 114, 115 into tape pieces Ta of a predetermined length; and a controller 100 that controls the cutter 118 to finish the cutting within a period of time from immediately after the front end of the last printing sheet P belonging to a preceding print job reaches the most downstream position of the sheet delivery tray 67 until the front end of the first printing sheet P belonging to a subsequent print job reaches the position of the cutter 118 in the direction of transferring the printing sheets P.
Masakazu Ito
Shunichi Takahashi