A rotary printing press has at least one printing group with at least one
waterless planographic printing forme. An inking unit is assigned to the
printing group as is provided with a screen roller for use in conveying
printing ink to the printing group. The screen roller has line engraving
or cross-hatchings, with an angle of inclination or an angle of rise of
between 50.degree. and 80.degree. and preferably also has a raster
frequency of less than 80 lines or cross hatchings per centimeter on its
surface area.