NEC NP4001 - Manual (Page 117)

6. Maintenance
105
o Replacing Consumable Parts
During the course of normal usage, consumable parts become worn out resulting in reduced
performance. The following guides detail how to replace the various consumable parts within
the projector quickly and safely.
Before replacing any of the parts, please take note of the following:
• Ensure that the projector is turned off and disconnected from the power supply.
• Ensure that the projector is in a clean, stable position before replacing parts.
• Allow at least one hour after shutdown for the projector to cool before attempting to
replace any consumable parts.
• Do not interchange Lamp 1 and Lamp 2 after the projector has been used once.
Doing so will not allow the projector to display the correct lamp usage hours.
• A minimum space is required for replacement. See pages 27 and 106 for more de-
tails.
Replacing the Filters
When the lamps are replaced, the filters should also be replaced, not cleaned.
Refer to the following guide to replace the filters.
CAUTION:
Do not drop the projector on your hand or fingers while lifting the projector to
replace the filters. Doing so could injure your hand or fingers.
Note:
The filters on the side and the rear are located on the bottom.
1.
Gently slide the filter
covers in the direction
shown.
2.
Lift the foam from all
three filters in the
direction shown. Remove
completely from the filter
cover and discard.