PURPOSE: To prevent the generation of a shock mesh on a printed surface and to improve by far the quality of printed matter by designating the angle formed by a line connecting the axes of a press drum and a rubber drum and another connecting the axes of the press drum and an intaglio drum.

CONSTITUTION: A press drum 8, a rubber drum 11, and an intaglio drum 16 of a printing machine have a quadruple diameter each and four sheets of paper are printed during a turn of each of these drums 8, 11, 16. Moreover, each of the drums 8, 11, 16 is so arranged that the angle θ formed by a line L connecting the axes of the press drum 8 and rubber drum 11 and another L1 connecting the axes of the press drum 8 and intaglio drum 16 becomes roughly 90°. Different kinds of ink are applied by an ink supply roller 15 to the plate surface of each of the printing drums 12 and transferred to the rubber drum 11 as 4 pieces of dry offset images in 4 colors. On the other hand, ink in 3 colors smoothed by a group of rollers 20 is applied by an ink supply roller 17 to a recessed image line and a plane non-image line on the intaglio plate surface attached to the intaglio drum 16. The ink in the non-image portion is removed by a wiping roller 1, so that there is left only an intaglio image of which the image line portion only on the intaglio plate has been printed with the ink.