Patent US 5,487,340

In card printing, to allow registration and positioning of card-like originals C when making a master plate by duplication to be accomplished both easily and accurately, the card-like originals are positioned and set up on an original positioning holder for card printing 30 having original set up position designating marks 34 and registration marks 36, according to the original set up position designating marks 34, and a printing master plate is made from the card-like originals along with the original positioning holder for card printing 30 by duplication. By using this printing master plate, the registration marks of the master plate are printed on a test print sheet carrying reference registration marks and fed by an automatic paper feeder, a misregistration is detected from relative positions of the two sets of registration marks, a base sheet carrying card-like printing sheets in a peelable manner is automatically fed, and prints are made in the prescribed locations of the card-like printing sheets with the misregistration resolved by adjusting an automatic paper feeding position.