Chapter 6 Maintenance — Maintenance/replacement
244 - ENGLISH
Replacing the unit
Air lter unit
Air lter unit should be replaced if the dirt does not come o after cleaning.
The Replacement Filter Unit (Model No.: ET-RFM100) is an optional accessory. To purchase the product, consult
your dealer.
Air lter unit replacement procedure
Attention
f Make sure to turn o the projector before replacing the lter.
f When attaching the air lter unit, make sure to secure the stability of the projector, and execute in a safe location even if the air lter unit
falls accidentally.
1) Remove the air filter unit.
f Refer to “Removing the air lter unit” (x page 242).
2) Attach the optional Replacement Filter Unit (Model No.: ET‑RFM100) to the projector.
f The air lter unit has no dierence between top and bottom, but is two-sided. Match the protrusion position
of the air lter unit with the grooves on the projector body.
f Refer to “Attaching the air lter unit” (x page 243).
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 When the projector is used without attaching the air lter unit, the lter indicator <FILTER> will blink red, and a message is displayed on the
projected image for approximately 30 seconds.
Note
f The replacement cycle of the air lter unit varies greatly depending on the usage environment.
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