Replacement
Air lter unit
If dirt does not come off even after the air lter unit is cleaned, it is time for the unit to be replaced.
The Replacement Filter Unit (Model No.: ET-RFV500) is an optional accessory. To purchase the product, consult
your dealer.
Attention
f Make sure to turn off the power before replacing the lter. (x page 49)
f Make sure that the projector is stable, and perform the maintenance in a safe place even if the air lter unit falls accidentally.
Note
f The replacement cycle of the air lter unit varies greatly depending on the usage environment.
How to replace the air lter unit
1) Remove the air filter unit.
f Refer to “Removing the air lter unit” (x page 143).
2) Install the optional Replacement Filter Unit (Model No.: ET-RFV500) to the projector.
f Refer to “Attaching the air lter unit” (x page 144).
3) Reset the air filter counter.
f Refer to “Resetting the air lter counter” (x page 144).
Attention
f When switching on the projector, make sure that the air lter unit is attached. If it is not attached, the projector will suck in dirt and dust
causing a malfunction.
f If the projector is used without resetting the lter counter, the actual lter usage time (counter numeric value) will not be able to be
conrmed.
ENGLISH - 145
Chapter 6 Maintenance - Maintenance/replacement
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