618 DD is the sole machine in the market featuring Corrusleeve ©, a unique system for fast changeover of printing plate, regardless of the number of Print Stations. Printing plates are prepared offline on sleeves and then installed into the machine. You can change as many sleeves as needed, and the average time it takes is 60 seconds. The offline mounting of printing plates is easy with the special revolving rack. Matthews Lock System embedded on the sleeves allows a standard printing plates setup.