Section 5: Maintenance; Cleaning The Air Filter - 3M MP8780 Operator's Manual

Section 5: Maintenance

5.1 Cleaning the Air Filter

Clean the air filter about every 50 hours, if air is restricted due to dust accumulation on filter, the projector may
shut down due to overheating.
1. Turn off the MAIN POWER switch of the projector and pull out power cord. Let cool for 20 minutes.
2. Remove the air filter from the bottom of projector. Push down on tabs (1), open cover (2) and slide
cover off (3).
3. Turn cover over and carefully remove foam air filter screen (4).
4. Clean foam screen and metal screen using a vacuum cleaner.
5. Re-install air filter and replace air filter door.
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Figure 5.1 Remove Air Filter
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3M Multimedia Projector MP8780
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© 3M 1999