NEC P554U User Manual page 122

To replace the filters:
NOTE:
• Before replacing the filters, wipe off dust and dirt from the projector cabinet.
• The projector is precision equipment. Keep out dust and dirt during filter replacement.
• Do not wash the filters with soap and water. Soap and water will damage the filter membrane.
• Put filters into place. Incorrect attachment of a filter may cause dust and dirt to get into the inside of the projector.
1. Press down on the buttons on the left and right and then
pull the filter cover towards you to open it.
The cover will open about 90 degrees before it stops.
2. Pick the center of the filter unit for pulling it out.
3. Remove dust from the filter cover.
Clean both outside and inside.
4. Mount a new filter unit back onto the projector cabinet.
Insert the filter unit onto the projector.
Filter cover
111
7. Maintenance
Filter unit
Filter cover