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ViewSonic Pro8500 55
Maintenance
The projector needs proper maintenance. You should keep the lens clean as dust, dirt
or spots will project on the screen and diminish image quality. If any other parts need
replacing, contact your dealer or qualified service personnel. When cleaning any part
of the projector, always switch off and unplug the projector first.
Warning
Never open any of the covers on the projector. Dangerous electrical voltages
inside the projector can cause severe injury. Do not attempt to service this
product yourself. Refer all servicing to qualified service personnel.
Cleaning the Lens
Gently wipe the lens with lens cleaning paper. Do not touch the lens with your hands.
Cleaning the Projector Housing
Gently wipe with a soft cloth. If dirt and stains are not easily removed, use a soft cloth
damped with water, or water and neutral detergent, and wipe dry with a soft, dry cloth.
Cleaning the Filter Cover
The filter cover, which is located at the side of the projector, should be cleaned after
every 100 hours of use. If it is not cleaned periodically, it can become clogged with
dust and prevent the projector from being ventilated properly. This can cause over
heating and damage the projector.
To clean the filter cover:
1. Switch the projector off and unplug the AC
power cord from the wall socket.
2. Remove the filter cover as the illustration
shown.
3. Clean the filter cover.
To clean the filter cover, you are
advised to use a small vacuum
cleaner designed for computers and
other office equipment.
If the filter cover is torn, replace it.
4. Replace the filter cover.
5. Attach the filter cover.
6. Plug the power back into the projector.
Turn off the projector and remove the AC power cord from the power outlet
before beginning maintenance work.
Make sure the lens is cool before cleaning.
Do not use detergents or chemicals other than those noted above. Do not use
benzene or thinners.
Do not use chemical sprays.
Use a soft cloth or lens paper only.