Ricoh PJ WX4153N, Operating Instructions Manual

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whether the warning message is displayed or not. A buildup of dust on the air filter may cause poor
ventilation, causing the interior of the projector overheat and operations to stop or malfunction.
• If vacuuming the air filter does not remove the dust and dirt, wash it with water.
After washing the air filter with water, make sure to dry it completely before reinstalling it back in
the projector.
Cleaning the Bottom Air Intake Vents
1. Place the projector on a stable and level surface with the bottom surface clearly visible.
2. Use a vacuum cleaner to clean any dirt or dust from the intake vents.
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Cleaning the Speaker Vents
1. Use a vacuum cleaner to clean any dirt or dust from the speaker vents.
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Cleaning the Projection Window
When cleaning the projection window, make sure to do the following:
Cleaning the Projector
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