Using this product is quite easy. First, when you need a paper towel, just manually pull it out through the dispensing slot. The dispenser can handle 600 C - fold or 800 multi - fold paper towels. When it's time to refill, simply unlatch the door of the dispenser. You can refill it even if there's a partial load left, and it will keep working properly. For the waste receptacle, it has a 4.2 - gallon (16 - liter) stainless steel container with a rolled - edge finger hole. You can easily open it to empty the waste. Now, here are the important notes. Once the product is in production, you can't cancel the order or return it. So, make sure to double - check your measurements before ordering. As for maintenance, keep the unit clean by wiping it regularly with a mild cleaner. Check the hinges and latch from time to time to ensure they're working smoothly. If you notice any issues, contact the manufacturer for support.