LG BG630 Owners Manual - Page 55

MAINTENANCE 55 MAINTENANCE Clean your projector to keep it in optimal condition. Cleaning Cleaning the Lens If there is any dust or staining on the lens surface, you must clean the lens. Use an air spray or a cleaning cloth to clean the lens. To remove dust or stains, use an air spray or apply a small amount of cleaning agent onto a swab or soft cloth to lightly rub the lens. Please be aware that liquid may flow into the lens if the product is sprayed directly onto the lens. Cleaning the Air Inlet and Outlet Dust or foreign objects can easily build up in the air inlet and outlet. Remove dust and foreign objects from the inlet and outlet regularly, clean the air inlet ( Air filter) regularly and replace it with a new one if the filter is damaged. If you continue to use the projector with dust accumulations in the air inlet and outlet, the projector may malfunction due to its internal components overheating. Outlet Cleaning the Projector Case To clean the projector case, first unplug the power cord. To remove dust or stains, use only a dry, lint-free, soft cloth to polish the lens. Do not use alcohol, benzene, thinners or other chemicals, which may damage the case. Air inlet (Air filter)