Copy the generated license files into the main program folder to unlock it. Resetting the Counter Select your printer model (L5190) and set the port to Auto Selection Particular Adjustment Mode Waste ink pad counter and click OK. Tick the boxes for Main pad counter Platen pad counter , then click to see the current status. Tick the boxes again and click Initialize Completion : Once the program confirms the reset, turn off the printer and then turn it back on.