NEC NP300 User Manual page 86

6. Maintenance
3. Reinstall the new filter cover (2 locations).
• Insert the filter cover until you feel click.
4. Clear the filter hours used.
To reset the filter usage time, from the menu, select [RESET] → [CLEAR FILTER HOURS].
(→page 75 for resetting the filter usage time.)
NOTE: Do not wash the filter with soap and water. Soap and water will damage the filter membrane. Before replacing the filter, remove
dust and dirt from the projector cabinet. Keep out dust and dirt during filter replacement.
NOTE: When you replace the lamp, it is also wise to replace the filter. The filter comes in the same package with your replacement
lamp.
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