Ricoh PJ WX4153N, Руководство по эксплуатации

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2. While pressing the lever on the right side of the air filter, pull the filter open.
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3. Remove the air filter.
4. Use a vacuum cleaner to clean any dirt or dust from the filter.
5. Install the air filter in the projector.
Insert the left side of the air filter in first, and then press the lever while pushing in the right side of the
filter.
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6. Make sure that the air filter is installed correctly.
Otherwise, dirt and dust may enter the projector through any gaps and cause it to stop or
malfunction.
• The message is displayed only once at the following occasions:
• Every 500 hours
• After the machine restarts when an error that the lamp turns off by itself during operation has
occurred
• The message is displayed for 30 seconds after the machine has been turned on. The message
disappears when you perform any operation.
• Depending on the environment in which the projector is located, the filter may get clogged earlier
than expected. When any dust or dirt has visibly collected on the air filter, clean it regardless of
8. Maintenance
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