For the B - 4288 toilet paper dispenser, simply open the front cover to load the toilet paper. Make sure the paper feeds smoothly. Keep it clean by wiping it with a mild cleaner regularly. For the B - 3644 waste bin, empty it when it's about three - quarters full to avoid overflow. You can clean it with soapy water. The B - 2013 foam soap dispenser needs to be filled with the appropriate foam soap. Place your hand under the sensor to get the soap. If it stops working, check the battery or power source. Clean the sensor area gently to keep it functioning well.