PURPOSE: To achieve drastic miniaturization and compactification by eliminating a dead space and realizing an ideal layout.

CONSTITUTION: A plate carrier mechanism A wherein a pair of pulleys 2p, 2q are arranged in a horizontal direction and a blanket carrier mechanism B wherein a pair of pulleys 3p, 3q are arranged in a vertical direction are arranged in an L-shape so that one end part of the plate carrier mechanism A comes into contact with the upper end part of the blanket carrier mechanisms B under pressure. A treatment soln. supply mechanism C applying an etching soln. and damping water to a plate S and an ink supply mechanism D applying ink are arranged to the space Xm under the plate carrier mechanism A and beside the blanket carrier mechanism B while an automatic plate supply mechanism E and an automatic plate discharge mechanism F are arranged to the space Xu above the plate carrier mechanism A and a printing mechanism G applying printing to the printing paper W fed in one direction by a blanket belt 3 is arranged to the space Xd under the blanket carrier mechanism B.