To provide an inspection rotary printing press including a classification paper discharge pile in which a defective printed multi-face sheet is classified and discharged to a defective-dedicated paper discharge pile on the basis of an inspection result of an inspection unit in the inspection rotary printing press.

The inspection rotary printing press 1 including a classification paper discharge pile comprises: at least one conforming paper discharge pile 18a or 18b to which a conforming printed multi-face sheet is discharged that is printed by a printing unit; and a defective-dedicated paper discharge pile 18c to which a defective printed multi-face sheet is discharged that is printed by an error marking printing unit 12. The defective-dedicated paper discharge pile has at least two classification discharge piles to which the defective printed multi-face sheet is classified and discharged according to a defective column or a defective factor.