Using this Bobrick combination unit is a breeze. First, when installing, make sure you measure the wall opening accurately according to the given dimensions. Once installed, load your preferred type of paper towels into the dispenser. You can choose between C - fold, multi - fold, or single - fold towels. When it comes to waste management, simply open the door, take out the removable waste container, empty it, and put it back. As for maintenance, regularly wipe down the satin - finish stainless steel surface with a soft, damp cloth to keep it looking clean and new. Avoid using abrasive cleaners as they might scratch the surface. Also, check the towel supply frequently to ensure continuous availability for users.