Epson EMP-8000NL 사용자 설명서

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Cleaning the Lens
Clean the lens whenever you notice dirt or dust on the 
surface. Lightly wipe the lens surface with a soft, dry, lint-free 
cloth.
To remove dirt or smears on the lens, moisten a soft cloth 
with an alcohol-based cleaner and gently wipe the lens 
surface.
Cleaning the Projector Case
To clean the projector case, first unplug the power cable. To 
remove dirt or dust, wipe the case with a soft, dry, lint-free 
cloth. To remove stubborn dirt or stains, moisten a soft cloth 
with water and a neutral detergent. Then wipe the case.
Do not use alcohol, benzene, thinners or other chemical 
detergents. These can cause the case to warp.