16EN4. Maintenance4.4 Other ComponentsClean the Universal Wheel by removing anyhair tangled around it.Wipe the Charging Contacts and the Charging Docks Pins with a dry cloth to maintain their effectiveness.Wipe the Anti-Drop Sensors with a dry clothto maintain their effectiveness.Wipe the Suction Intake with a dry cloth. Remove the Side Brushes and wipe the SideBrushes and their slots with a clean cloth.4.3 Suction Intake and Side Brushes