Printing machine with exchangeable ink application means

A printing machine for printing a substrate web said printing machine comprising:

• at least one printing module, said printing module being provided with an impression roller and ink application means, the ink application means comprising a cylindrical element extending parallel to the impression roller and abutting against the impression roller at a contact line with interposition of the substrate web, the cylindrical element being arranged to apply a desirable ink printing pattern to the substrate web, wherein said at least one printing module is provided with at least one circumferential bearing said at least one circumferential bearing engaging an outer surface of the cylindrical element, each of said at least one circumferential bearing in an operating condition of the printing module being in a locking position in which the cylindrical element is pressed towards and against the impression roller, said at least one circumferential bearing can be brought into an exchange condition such that the cylindrical element can be taken from the at least one printing module, the printing machine further comprising at least one additional cylindrical element intended for a different printing technique, said cylindrical element and said at least one additional cylindrical element and said at least one circumferential bearing are arranged to receive said cylindrical elements intended for said different printing techniques.