Mount the Mahlkonig x54 onto your espresso machine. 2. Connect the power cable to the back of the grinder, and plug it into a nearby outlet. 3. Place your coffee beans into the top hopper. 4. Select your desired grind size using the knob on the front of the grinder. 5. Press the start button, and let the grinder do its work! 6. Once your grounds are dispensed, remove them from the tray and proceed with making your espresso as usual.