PRINTING DEVICE WITH A SHORT INKER FOR A ROTARY PRINTING PRESS

摘要

A rotary printing machine has first and second printing couples for accomplishing recto and verso printing of a web. Each printing couple includes an inking unit, a plate cylinder and an impression cylinder. Each of these impression cylinders may selectively be provided with a soft or a hard cover depending on the type of printing plate secured to the plate cylinder and the type of printing ink used.