Maintenance - Mitsubishi Electric SD420U Service Manual

MAINTENANCE

Caution:
Be sure to turn off the lamp and unplug the power cor d from the wall outlet before you perform any maintenance on
the projector.
Cleaning of the projector and the ventilation slots
Use a soft cloth to clean the pr ojector and the ventilation grilles. When the grilles become dirty , wipe them with a soft
cloth dampened with diluted mild deter gent, and then wipe them with a dry cloth.
To protect the surface of the pr ojector from fading or deteriorating:
• Do not spray insecticide on or inside the pr ojector .
• Do not use benzine or thinner to clean it.
• Do not let rubber or plastic materials contact with pr ojector .
Cleaning of the lens
Use a standard lens-cleaning brush or a piece of lens tissue dampened with lens cleaning fl uid. The lens surface is
fragile. Use only recommended, nonabrasive lens-cleaning materials. Do not touch the lens with your fi ngers.
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