Abstract: An apparatus for printing large graphics, particularly in colors, comprises at least a printing station, means for supporting a print substrate in continuous sheet form and for imparting thereto an intermittent, incremental, longitudinal feed motion, whereby intermittently to feed it in front of the printing station, means for imparting to the printing station an alternating, transversal, scanning motion relative to the print substrate, means for synchronizing said alternating, scanning and said incremental, feed motions, and means for controlling said printing station to deposit ink dots on the surface of said material in such a way as to produce the desired graphic patterns.