Using this hand dryer is a breeze. Just place your hands under the dryer, and it'll start drying them right away. You can adjust the speed according to your preference. When it comes to maintenance, keep the HEPA filter clean. Check it regularly and replace it as needed to maintain the dryer's performance. Also, wipe the surface of the dryer with a mild cleaner to keep it looking nice. Remember, don't use any abrasive materials on the dryer. And make sure the power supply is stable to avoid any issues.