The machine of the present invention carries out the operations for the quality control of the material printed on a paper or plastic band; the machine has, in the central part, the quality control equipment, preceded by a first part which is constituted of a spool un-winder and of a final part which is constituted of a spool re-winder. The first part, constituted of the un-winder, is comprised between the unwound material and a main drawer, the central part, which constitutes the quality control equipment, is comprised between the main drawer, the control level and an arrest compensator, secondary operations and re-winding.