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APPENDIX
CLEANING THE PROJECTION LENS
Apply a non-abrasive camera lens cleaner to a soft, dry cleaning cloth. Avoid using an excessive amount of cleaner.
Abrasive cleaners, solvents or other harsh chemicals might scratch the lens.
When you don't use the projector, replace the lens cover.
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Lightly wipe the cleaning cloth over the lens.
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Follow these steps to clean the projection lens:
MAINTENANCE
TEMPERATURE WARNING INDICATOR
The TEMPERATURE WARNING Indicator flashes red when the internal temperature of the projector exceeds
the normal temperature. The Indicator stops flashing when the temperature of the projector become normal.
When the TEMPERATURE WARNING Indicator continues to flash, check the item listed below.
The Ventilation slots of the projector may be blocked. In such an event, reposition the appliance so that the
ventilation slots are not obstructed.
Turn the power off, and disconnect the AC power cord from the
AC outlet.
Turn the projector upside down and remove 2 Air Filters by
pulling the latches of them upward.
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The Removable Air Filters prevent dust from accumulating on the surface of the Projection Lens and the
Projection Mirror. Should the Air Filters become clogged with dust particles, it will reduce the Cooling Fans'
effectiveness and may result in internal heat build up and adversely affect on the life of the projector.
Clean the Air Filters following the steps below:
AIR FILTER CARE AND CLEANING
Clean the Air Filters with brush or wash out the dust and
particles.
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Air filters are clogged with dust particles. Clean the air filters by following AIR FILTER CARE AND CLEANING
below.
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If the TEMPERATURE WARNING Indicator remains on after performing the above checks, the Cooling Fans or the
Internal Circuits may be malfunctioning. In that case, call the Boxlight.
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Replace the Air Filter. Make sure that the Air Filters are fully
inserted.
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AIR FILTERS
CAUTION
Do not operate the projector with the Air Filter removed.
The dust is stuck on the LCD Panel and the Mirror, and it
may spoil the fine picture image.
Do not put the small parts into the Air Intake Vents. It result
in the malfunction of the projector.
The Air Filter is small part. Take care that children don’t eat
or swallow it.
RECOMMENDATION
We recommend to avoid dusty/smoky place for operating the projector. Using in dusty place may
cause the picture of poor quality.
When using under the dusty or smoky conditions, dust may accumulate on the liquid crystal panel and lens inside it, and
may resultantly be projected on the screen together with the picture.
When the above symptoms are noticed contact Boxlight at 1-800-762-5757 or 360-779-7901 for cleaning.