Sharp NP-PH3501QL User Manual - NEC - Page 159

(3) Cleaning the Air Filters

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7. Maintenance ❸ Cleaning the Air Filters Air filters are attached over the air inlet of the projector to prevent dust. The air filters should be cleaned periodically in order to maintain projector performance. WARNING • Dust in air filters will hinder ventilation of the projector, lead to a rise of the internal temperature and can cause a fire or malfunction. • Please do not use a spray containing flammable gas to remove dust attached to the filters, etc. Doing so may result in fires. CAUTION • Before cleaning the filter, first turn off the power, make sure the cooling fan has completely stopped, then turn off the AC power. Make sure the unit has cooled down completely before cleaning the filter. Removing the filter cover while the unit is running could result in burns or electric shock from contact with internal parts. The unit uses a two layer metal-mesh filter installed behind the filter cover. With regular cleaning it can be used repeatedly. When cleaning the air filter, clean it all at the same time. Air inlet (Filter cover / Filter) Air outlet Air outlet Air inlet (Filter cover / Filter) Cleaning the Air Filter 1. Remove the front filter cover. Pull the front filter cover in the direction of the arrow to remove. Air outlet 142 Handle

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142
7. Maintenance
❸
Cleaning the Air Filters
Air filters are attached over the air inlet of the projector to prevent dust. The air filters should be cleaned periodically
in order to maintain projector performance.
WARNING
•
Dust in air filters will hinder ventilation of the projector, lead to a rise of the internal temperature and can cause
a fire or malfunction.
•
Please do not use a spray containing flammable gas to remove dust attached to the filters, etc. Doing so may
result in fires.
CAUTION
•
Before cleaning the filter, first turn off the power, make sure the cooling fan has completely stopped, then turn
off the AC power. Make sure the unit has cooled down completely before cleaning the filter. Removing the filter
cover while the unit is running could result in burns or electric shock from contact with internal parts.
The unit uses a two layer metal-mesh filter installed behind the filter cover. With regular cleaning it can be used
repeatedly.
When cleaning the air filter, clean it all at the same time.
Air outlet
Air outlet
Air outlet
Air inlet (Filter cover / Filter)
Air inlet (Filter cover / Filter)
Cleaning the Air Filter
1. Remove the front filter cover.
Pull the front filter cover in the direction of the arrow to
remove.
Handle