Patent ID: 7073444

Claim:
A method for checking the quality of workpieces processed by a printing or a diecutting machine which produces workpieces of at least one type, the method comprising: registering each of the types of workpieces in a pile of the workpieces; infeeding a register parameter corresponding to a selected number of workpieces in the pile; loading at least one pile of the workpieces in an infeed station for checking the quality of the workpieces; conveying at least one workpiece of the one pile at the infeed station through a registering area and scanning the printing or diecutting quality of the registered workpiece, at the registering area, defining which of the different types of the workpieces to which the workpiece being scanned is most closely related; scanning the workpiece for possible printing or diecutting defects in the registered workpiece; stripping any registered workpiece which has printing or diecutting defects that are scanned so that they are not piled in a delivery station; piling the workpieces that have not been stripped into a new pile in a delivery station.