Maintenance; Before Maintaining The Projector; Care Of The Projector; Clean The Lens Front Surface - BenQ LU9255 User Manual

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Maintenance

Before maintaining the projector

Make sure to turn off the power before maintaining the projector.
When switching off the projector, make sure to follow the procedures in
projector" on page

Care of the projector

Your projector needs little maintenance. The only thing you need to do on a regular basis is to
keep the lens clean.
Never remove any parts of the projector. Contact your dealer if other parts need replacing.

Clean the lens front surface

Clean the lens whenever you notice dirt or dust on the surface.
Use a canister of compressed air to remove dust.
If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens cleaner and
gently wipe the lens surface.
Caution:
Never use any type of abrasive pad, alkaline/acid cleaner, scouring powder, or volatile solvent, such as alcohol, benzene,
thinner or insecticide. Using such materials or maintaining prolonged contact with rubber or vinyl materials may result
in damage to the projector surface and cabinet material.

Clean the projector case

Before you clean the case, turn the projector off using the proper shutdown procedure as
described in
"Switch off the projector" on page 39
To remove dirt or dust, wipe the case with a soft, lint-free cloth.
To remove stubborn dirt or stains, moisten a soft cloth with water and a neutral pH detergent.
Then wipe the case.
Caution:
Never use wax, alcohol, benzene, thinner or other chemical detergents. These can damage the case.
67
39.
and unplug the power cord.
"Switch off the

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