Using this Bradley paper towel dispenser is easy. First, mount it on a suitable surface as per the instructions. Then, open the door using the key provided with the tumbler lock. Load either C - fold or multi - fold paper towels into the dispenser. When someone needs a paper towel, they can simply pull one out. As for maintenance, regularly check the paper towel level and refill when it gets low. Wipe the dispenser with a soft, damp cloth to keep the satin finish looking good. Avoid using abrasive cleaners as they may scratch the stainless steel surface. If the lock malfunctions, contact the manufacturer for assistance.