Wet-on-wet printing

With today's printing machines , several colors can be printed in one pass. The individual printing inks are not yet dry when the next printing ink comes onto the printing medium (mostly paper ). This is why we speak of wet-on-wet printing . In contrast, with earlier printing machines and processes, the first color was mostly already dry because too much time had passed between the individual print runs. One then speaks of wet-on-dry printing .