Using this soap dispenser is a breeze. First, plug it into a power outlet. Then, fill the 1 - liter bottle with your favorite liquid soap. Whenever you need soap, just place your hand under the 2.25 - inch spout, and the dispenser will release an appropriate amount of soap. As for maintenance, keep the dispenser clean by wiping it with a damp cloth regularly. Avoid using harsh chemicals as they may damage the dispenser. If it's not working properly, check the power connection and make sure the bottle has enough soap.