3M MP7640i/MP7740i The Air Filter, Caring for the air filter, Apply a vacuum cleaner to, timer

Models: MP7640i/MP7740i

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THE AIR FILTER

THE AIR FILTER

Caring for the air filter

The air filter should be cleaned about every 100 hours. If the LAMP indicator and TEMP indicator blink red simultaneously, or a message prompts you to clean the air filter when you turn on the unit, the filter needs to be cleaned. (See "Related Messages" ( 34 ) and "Regarding the Indicator Lamps" ( 35 ) for details.)

1

Turn off the projector, and unplug the power cord

2

Apply a vacuum cleaner to

 

the top of the air filter cover

 

to clean the air filter

 

Air Filter Cover

3

Turn on the projector, and use the menu to reset the filter

 

timer

To reset the air filter timer, from the OPTION menu, select FILTER TIME. (See “OPTION menu” ( 28 ) for details.)

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3M MP7640i/MP7740i The Air Filter, Caring for the air filter, Turn off the projector, and unplug the power cord, timer