Kensington Lock - Mitsubishi Electric XD550U User Manual

Troubleshooting (continued)
Others (continued)
Problem
The buttons on the
projector (except for
the POWER button)
don't function.
Abnormal sound is
heard.
If the following problem occurs after the lamp is replaced, check the following fi rst.
Problem
The projector does not
turn on.
The STATUS indicator
blinks.
Maintenance
Warning:
Do not use fl ammable solvents (benzene, thinner, etc.) and fl ammable aerosols when cleaning the projector body and
lens. Flammable substances may ignite causing fi re or breakdown while the lamp is illuminating.
Caution:
Be sure to turn off the lamp and unplug the power cord 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 projector and the ventilation grilles. When the grilles become dirty, wipe them with a soft
cloth dampened with diluted mild detergent, and then wipe them with a dry cloth.
To protect the surface of the projector from fading or deteriorating:
• Do not spray insecticide on or inside the projector.
• Do not use benzin or thinner to clean it.
• Do not let rubber or plastic materials contact with projector.
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.

Kensington Lock

This projector has a Kensington Security Standard connector for use with Kensington MicroSaver Security System.
Refer to the information that came with the Kensington System for instructions on how to use it to secure the
projector. Please contact Kensington Technology Group below.
Kensington Technology Group
2855 Campus Drive
San Mateo, CA 94403, U.S.A.
Phone: +1- (650)572-2700
Solution
• Password Lock in the Password menu has been set to On to enable the password
lock.
 Cancel the password lock or contact the person in charge of management of the
projector. (See page 47.)
• Because the color wheel spins at a high speed, metallic sounds may be heard in rare
occasions. Such symptom is not a malfunction.
Solution
• Fit the lamp cover securely. (See page 50 or 51.)
• Reset the lamp operating time. (See page 51.)
• Reset the lamp operating time. (See page 51.)
Fax: +1- (650)572-9675
EN-55