3D printers; Electronic label printing machines for commercial use; Industrial inkjet printing machines; Industrial printing machines; Inking apparatus for printing machines; Machines, namely, heat transfer presses; Print heads for 3D printers; Print heads for industrial printing machines; Printing machines for commercial or industrial use; Printing machines for textiles; Printing machines for use on sheet metal; Printing machines for web products, particularly wallpaper, floor coverings and films, parts for the aforementioned machines and lines composed thereof, namely, gravure printing lines, screen printing lines, flexo printing lines and combinations of the aforementioned lines; UV printing machines for commercial or industrial use