Means for controlling register in a printing press

摘要

A first cylinder (FC) applies FC first and second images onto a printing material (PM) (20,22) and a second cylinder (SC) applies SC first and second images onto the PM so as to print a book, single pages of which are carried by FC and SC first and second images. A printing machine (6) operator (70) can check pages simultaneously with FC first and second images An Independent claim is also included for a color printing machine according to the present invention.