Hitachi CP-X440 User Manual - Page 40

Maintenance Air filter WARNING ►Before caring, make sure the power switch is off and the power cable is not plugged in, then allow the projector to cool sufficiently. The care in a high temperature state of the projector could cause a burn and/or malfunction to the projector. ►Use only the air filter of the specified type. Do not use the projector with the air filter and the filter cover removed. ►Avoid wetting the projector or inserting liquids in the projector. It could result in a fire, an electric shock, and/or malfunction to the projector. CAUTION ►Please replace the air filter 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. Please check and clean the air filter periodically, even if there is no message. If the air filter becomes clogged by dust or the like, internal temperatures rise and the power may be automatically 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. Filter cover's claws 2. After making sure that the projector is cool adequately, slowly turn the projector so that the lens-side is facing up. Please be careful for the projector not to fall. While the projector is placed lens-side up, hold the projector. 3. Unhooking the filter cover's claws, and pull the filter cover in the direction of the arrow to remove it. 4. Hold the air filter's knob, and pull the air filter off. Filter cover Air filter's knob 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 the filter cover. Please replace the air filter when it is damaged or too soiled. To prepare a new air filter, contact your dealer and tell the air filter type number = NJ20642. Air filter An air filter of specified type will come even with a replacement lamp for this projector. 7. Position the cleaned air filter or a new air filter into place, and push the "PUSH" mark 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 using the FILTER TIME function of the OPTION menu (36). NOTE • Incorrectly resetting of the filter timer (resetting without replacement, or neglect of resetting after replacement) will result in incorrect message functions. 40