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 125).
2) Install the optional Replacement Filter Unit (Model No.: ET-RFV500) to the projector.
f Refer to “Attaching the air lter unit” (x page 127).
3) Reset the air filter counter.
f Refer to “Resetting the air lter counter” (x page 127).
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.
128 - ENGLISH
Chapter 6 Maintenance - Maintenance/replacement