NEC NC1201L-A User Manual page 50

5. Maintenance of Your Projector
5-3-1. Cleaning the Air Filters
Preparation: Have a Phillips head screwdriver ready.
1
Remove the filter cover.
1. Twist the knob to the left until it turns without resistance.
2. Open the filter cover and remove it.
• The knob does not come off.
• If the knob will not turn, use a Phillips head screwdriver.
2
Undo the lock lever on the filter cover and remove it.
If the filter gets caught on the filter cover, press the filter cover down slightly and it will come out.
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