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ViewSonic PJ501/PJ551 20
Air-Filter
Cleaning the Air Filter
The air filter should be cleaned as described below at intervals of approximately 100 hours. When
the filter is used for approximately 100 hours, the message "CLEAN THE AIR FILTER" appears
when the projector is switched on.
1
Switch the projector power supply OFF, and remove the power cord from the power outlet.
2
Clean the air filter with a vacuum cleaner.
3
Reset the Filter Timer using the function of the FILTER TIME on the OPTION Menu. Please
refer to the description of the "FILTER TIME" on the Table 9: MAIN Menu.
Replacing the Air Filter
Replace the air filter if contamination cannot be removed, or if it is damaged. To order a new air filter
see page 26 for contact information.
1
Switch the projector power OFF, and remove the power cord from the power outlet.
2
Remove the filter cover and the filter.
3
Replace the new air-filter and the filter cover.
4
Reset the Filter Timer using the function of the FILTER TIME on the OPTION Menu. Refer to
the description of the "FILTER TIME" on Table 9: MAIN Menu.
Maintenance Inside the Equipment
For safety reasons, ensure that the equipment is cleaned and checked by the dealer once every two
years. Maintaining the equipment by yourself is dangerous.
Cleaning the Lens
Gently wipe the lens with lens cleaning paper. Do not touch the lens with your hands.
Cleaning the Cabinet and Remote Control
Gently wipe with a soft cloth. If dirt and stains are not easily removed, use a soft cloth dampened
with water, or water and a neutral detergent, and wipe dry with a soft, dry cloth.
CAUTION
• Switch POWER OFF and remove the power cord from the power outlet before beginning maintenance work.
• Replace the air filter if contamination cannot be removed, or if it is damaged.
• Do not use the projector with the air filter removed.
• When the air filter is clogged, the power supply is switched OFF automatically to prevent overheating.
CAUTION
• Switch POWER OFF and remove the power cord from the power outlet before beginning maintenance work.
• Make sure the lens is cool before cleaning.
• Do not use detergents or chemicals other than those noted above. Do not use benzene or thinners.
• Do not use chemical sprays.
• Use a soft cloth or lens paper only.