Hitachi C11XMB Service Manual page 21

6-5 Air filter
● Before caring, make sure the power switch is off and the power cable is not plugged in, and then allow the
projector to cool suffi ciently. The care in a high temperature state of the projector could cause a burn and/
or malfunction to the projector.
● Use only the air fi lter of the specifi ed type. Do not use the projector with the air fi lter and fi lter cover
removed.
● Avoid wetting the projector or inserting liquids in the projector. It could result in a fi re, an electric shock
and/or malfunction to the projector.
● Please replace the air fi lter when it is damaged or too soiled, and also when you replace the lamp.
When the indicators or a message prompts you to clean the air filter, clean the air filter as soon as possible.
If the air filter becomes clogged by dust or the like, internal temperatures rise and the power may be auto-
matically turned off for malfunction prevention.
1. Turn the projector off, and unplug the power cord. Allow the projector to cool for at least 45 minutes. And
prepare a vacuum cleaner.
2. After making sure that the projector is cool adequately, slowly turn the pro-
jector so that the lens-side is facing up. Please be careful for a projector
not to fall. While the projector is placed lens-side up, hold the projector.
3. Unhooking the filter cover's claws, pull the filter cover in the direction of
the arrow to remove it.
4. Holding the air filter's knob, pull the air filter off.
5. Apply a vacuum cleaner to the vent of the projector for the air filter. And
then slowly turn the projector bottom up.
6. Apply a vacuum cleaner to the air filter and filter cover.
Please replace the air filter when it is damaged or too soiled.
Use only the air filter of the specified type.
An air filter of specified type will come even with the replacement lamp for
this projector.
7. Position the cleaned air filter or a new air filter into place, and push the points of "PUSH" word with claws
to fix the air filter.
8. Replace the filter cover and snap it back into place.
9. Slowly turn the projector so that the top is facing up.
10. Turn the projector on, and reset the filter time.
(1) While projector running, press the MENU button of remote control or the [ ]/[ ]/[ ]/[ ] button of
keypad to open menu.
(2) Choose FILTER TIME in EASY menu or in OPTION of Advance menu.
(3) Press the RESET, ENTER or [ ] button. FILTER TIME reset window will appear.
(4) Choose RESET using [ ] button.
NOTE • Incorrectly resetting of the fi lter timer (resetting without replacement, or neglect of resetting after
replacement) will result in incorrect message functions.
CP-X444(C11XMB)/CP-X440(C11XM25)
WARNING
CAUTION
21
Filter cover's claws
Filter cover
Air filter's knob
Air filter