Two ink rollers with forward and reverse flow for each printing group, Deublin quality rotating unions (maintenance-free) are under the guard, installed on the drive side of the machine. The complete installation of all components within the side panels of the machine for the new Printmaster series. For the old GTO-Model with smooth guard, based on space reason the rotating units are on the outside. The combined heating and cooling units are from Technotrans, Baldwin or your own can be used. Many original parts from Heidelberger Druckmaschinen AG, guaranteeing a worldwide service cover.