NEC P452H User Manual page 125

1. Turn off the power supply and pull out the plug from the wall
outlet.
2. Pinch the knob at the bottom of the filter case and pull it out.
• If you put the projector upside down for cleaning as the illustra-
tion, please lay a mat as a cloth for protecting the cabinet top
from damage.
3. Remove the Filter (A) from the filter case.
4. Vacuum all the dust on the Filter (A) and the filter case.
• Get rid of dust accumulated on the intake vent on the projector.
• Make sure to use a brush adaptor on the vacuum cleaner. Never
apply the vacuum hose or the hard nozzle directly on the filter
and filter case without fixing on a brush adaptor.
• Pay enough attention not to damage the filter (A).
• Do not wash the filters with soap and water. Soap and water will
damage the filter membrane.
Filter (A)
114
8. Maintenance
Knob
Filter case