Sanyo WF10 Instruction Manual, PLV-WF10 - Page 44

APPENDIX AIR FILTER CARE AND CLEANING Air Filter prevents dust from accumulating on a surface of Projection Lens and Projection Mirror. Should Air Filter become clogged with dust particles, it will reduce Cooling Fans' effectiveness and may result in internal heat build up and adversely affect life of projector. Clean Air Filter following steps below: 1 Turn power off, and disconnect AC power cord from an AC outlet. 2 Pull out 2 Air Filters and Air filter Covers from a projector. 3 Clean each parts (Air Filter and Air filter Cover) with brush or wash out dust and particles. Be sure to dry them out. CAUTION Do not operate a projector with Air Filter removed. Dust may accumulate on LCD Panel and Mirror degrading picture quality. Do not put small parts into Air Intake Vents. It may result in malfunction of a projector. 4 Replace Air Filter and Air Filter Cover properly. Make sure that they are fully inserted. BOTTOM OF PROJECTOR SIDE OF PROJECTOR AIR FILTER AIR FILTER COVER AIR FILTER COVER AIR FILTER RECOMMENDATION We recommend avoiding dusty/smoky environments when operating a projector. Usage in these environments may cause poor image quality. When using under dusty or smoky conditions, dust may accumulate on liquid crystal panel, lens, or optical elements inside it. This condition may degrade quality of projected image. When above symptoms are noticed, contact your authorized dealer or service station for proper cleaning. CLEANING PROJECTION LENS Follow these steps to clean projection lens: 1 Apply a non-abrasive camera lens cleaner to a soft, dry cleaning cloth. Avoid using an excessive amount of cleaner. Abrasive cleaners, solvents or other harsh chemicals might scratch lens. 2 Lightly wipe cleaning cloth over lens. 3 When a projector is not in use, replace lens cover. 44