BenQ TH683 - Manual (Page 59)

Maintenance 59
Maintenance
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 except the lamp. Contact your dealer if other
parts need replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface.
Before cleaning any part of the projector, turn it off using the proper shutdown procedure
(see "Shutting down the projector" on page 55 ), unplug the power cable, and let it cool
down completely.
• 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.
• 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.
Never touch the lens with your finger or rub the lens with abrasive materials. Even paper towels
can damage the lens coating. Only ever use a proper photographic lens brush, cloth, and
cleaning solution. Do not attempt to clean the lens while the projector is switched on or is still
hot from previous use.
Cleaning the projector case
Before you clean the case, turn the projector off using the proper shutdown procedure as
described in "Shutting down the projector" on page 55 and unplug the power cord and let
it cool down completely.
• 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.
Never use wax, alcohol, benzene, thinner or other chemical detergents. These can damage the
case.
Storing the projector
To store the projector for an extended time.
• Make sure the temperature and humidity of the storage area are within the
recommended range for the projector. Please refer to "Specifications" on page 67 or
consult your dealer about the range.
• Retract the adjuster feet.
• Remove the battery from the remote control.
• Pack the projector in its original packing or equivalent.
Transporting the projector
It is recommended that you ship the projector with its original packing or equivalent.