Runco Reflection CL-410 Owner's Operating Manual page 46

Appendix: Maintenance
This projector is equipped with
ventilation holes to ensure optimal
operating temperature.
■ Periodically clean the ventilation
holes by vacuuming it with a vacuum
cleaner.
■ The ventilation holes should be
cleaned after every 100 hours of
use. Clean the ventilation holes more
often when the projector is used in a
dirty or smoky location.
To clean the ventilation holes using a
vacuum:
1 Press OFF on the remote control
to turn off the power. Wait until the
cooling fan stops.
2 Unplug the power cord.
3 Remove dust by placing the cleaner
hose on the intake and exhaust
ventilation holes.
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