NEC 40,000-Lumen 4K Laser Installation Projector - Manual (Page 162)

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7. Maintenance
7. Fix the filter inside the projector unit.
(1) Snap the filter cover tabs into the cutout portion of the
projector unit to secure it.
(2) Seat the air filter aligned with the air inlet.
1
2
Cut out portion
8. Attach the front filter cover.
Push the front filter cover in the direction of the arrow to
install.
Cut out portion
9. Clean the other intake vent air filters in the same way.
Clean the other intake vent air filters in the same way as in steps (2) to (7).
NOTE
• Before turning on the power, make sure that all filter covers are in place. If they are not fitted properly dust could get inside
the projector causing it to malfunction.
• Reset air filter usage time after cleaning the filters.
Resetting the Air Filter Usage Time
1. Turn on the power to the projector.
2. Select [SETUP]
→ [RESET] and perform [CLEAR FILTER HOURS].
This completes resetting the air filter usage time.