58
Maintenance
(4)  Select the “LAMP TIME” item in the right column of the Advanced Menu 
using the ▲/▼ cursor buttons, then press the ► cursor button and the 
LAMP TIME menu will appear.
(5)  Pressing the ▲ cursor button in the menu resets the LAMP TIME.
• Only reset the LAMP TIME item when you have replaced the lamp so 
that the LAMP TIME remains accurate.
NOTE
Air filter
If the air filter becomes clogged by dust or the like, internal temperatures will 
rise and could cause fire, burn and/or projector malfunction. When the indicators 
or a message prompts you to clean the air filter, make sure to clean it as soon 
as possible. Check and clean the air filter periodically, even if no message is 
displayed.
Please replace the air filter when it is damaged or too dirty to be cleaned. 
Preparation of a new air filter is recommended. To purchase a new air filter, 
contact your dealer and tell the air filter type number = 
NJ22632.
Replace the air filter when the lamp is replaced. An air filter of the specified type 
will be included with replacement lamps for this projector.
1.
Turn the projector off, and unplug the power 
cord. Allow the projector to sufficiently cool 
down.
2.
After making sure that the projector has 
cooled adequately, remove the filter cover 
and air filter. Hold the knobs while lifting.
3.
Use a vacuum cleaner to clean the air filter 
vent, the air filter and filter cover.
Please replace the air filter when it is 
damaged or too dirty to be cleaned.
4.
Set the cleaned or new air filter into place, and press the point between the 2 
knobs.
5.
Turn the projector on (20).
Filter 
cover
Knobs
Knobs
Air filter