Mitsubishi Heavy Industries, Ltd. (MHI) has today begun marketing an LED-UV (ultraviolet ray) ink-drying system using light-emitting diodes (LED) which enables significant energy saving in printing. The system, which MHI has commercialized, leveraging its know-how as a leading printing machinery manufacturer, is suitable for installation on larger sized (DIAMOND V3000 Series) sheet-fed presses that can accommodate sheets up to 1,050mm (41-11/32 inches) wide.