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2 | KNOWLEDGE BASE – MAINTAINING YOUR SMART UF75 OR UF75W
PROJECTOR
– If necessary, use a soft cloth moistened with a mild detergent to clean the
projector housing.
– For optimum performance, clean the projector every 12 months. Increase
this frequency according to environmental conditions.
• Do not use abrasive cleaners, waxes or solvents.
• When cleaning the projector’s mirror:
– Use a bellows bulb or air blower bulb (commonly found in audio-visual
supply stores) to blow off dust. Never touch the mirror or lens with your
bare hands or a brush.
– If wiping the mirror or lens is unavoidable, wear protective gloves and
gather the supplied cleaning cloth into a ball. Gently run the cleaning cloth
across the mirror from the center to the edge, using the cleaning cloth like
you would a feather duster.
• When cleaning the projector’s lens:
– Never touch the lens with your bare hands or a brush.
– If wiping the lens is unavoidable, wear protective gloves and gather the
supplied cleaning cloth into a ball. Gently run the cleaning cloth across
the lens from the center to the edge, using the cleaning cloth like you
would a feather duster.
WARNING
• Replace the lamp when the projector displays its lamp life warning message.
If you continue to use the projector after this message appears, the lamp can
shatter or burst, scattering glass throughout the projector.
• If the lamp shatters or bursts, leave and then ventilate the area.
• Next do the following:
– Avoid touching the glass fragments because they can cause injury.
– Wash your hands thoroughly if you have come into contact with lamp
debris.
– Once the area has been ventilated, thoroughly clean the area around the
projector, and discard any edible items placed in that area because they
could be contaminated.
– Call your authorized SMART reseller
for instructions. Do not attempt to
replace the lamp.
• Uncovering the lamp while the projector is mounted on the wall-mounting
bracket can lead to product damage or personal injury from falling pieces of
glass if the lamp is broken.