Using this Bobrick B - 3588 toilet paper dispenser is easy. First, unlock it with the provided key. Then, open the dispenser and place two standard - core toilet tissue rolls inside. Close the dispenser and lock it again. Make sure to keep the key in a safe place. When it comes to maintenance, regularly clean the satin - finish stainless - steel surface with a soft cloth and mild cleaner. Avoid using abrasive materials that could scratch the surface. Check the tumbler lock periodically to ensure it works smoothly. If you want to mount it in a recessed way, you can remove the skirt in the field. Just follow the standard installation procedures. And always handle the dispenser with care to prevent any damage.