An apparatus for inking a roller of a decorator press for printing on metal cans has a main body disposed the decorator press, the main body having a blade holder portion. A plurality of ink inlets is spaced longitudinally along the length of the main body or the blade holder portion. The ink inlets lead to a plurality of ink channels terminating downstream from the inlets. A blade is coupled to the blade holder portion, the blade configured to spread ink from the plurality of ink channels onto the roller of the decorator press. An adjustment device is configured to provide movement of the blade from a first operating position coupled to the blade holder to a second operating position coupled to the blade holder.