Maintenance/replacement
Before performing maintenance/replacement
f Make sure to turn off the power before maintaining the projector or replacing the unit.
f When switching off the projector, make sure to follow the procedures in “Switching off the Projector”. (
Æ
page 42)
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
f If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with
a dry cloth.
f Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Doing so may deteriorate
the outer case.
f When using chemically treated dust cloths, follow the instructions written on its packaging.
Lens front surface
Wipe off dirt and dust from the front surface of the lens with a soft clean cloth.
f Do not use a cloth that is uffy, dusty, or soaked with oil/water.
f Since the lens is fragile, do not use excessive force when wiping the lens.
Attention
f The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Handle with care.
Air lter unit
This section describes the maintenance of the air lter unit that is installed as standard on the projector.
The air lter unit is the same as the optional Replacement Filter Unit (Model No.: ET-RFV410).
In the following cases, remove the air lter unit and check the clogging condition of the air lter. If the air lter is
clogged, clean the air lter unit.
f A temperature warning message is displayed on the projection screen.
f The temperature indicator <TEMP> lights in red in the projection state.
f The temperature indicator <TEMP> blinks in red in the standby state.
f The message of “FILTER COUNTER has reached the set time.” that prompts to perform maintenance of the air
lter unit is displayed on the projection screen.
Attention
f Make sure to turn off the power before performing maintenance of the air lter. (
Æ
pages 38, 42)
f Make sure that the projector is stable, and perform the maintenance in a safe place even if the lter falls accidentally.
Note
f Check the usage time of the air lter in the [PROJECTOR SETUP] menu → [FILTER COUNTER].
f Air lter replacement is recommended after washing the air lter two times for recycling.
f The air lter performance after washing may be reduced compared with its initial performance.
f The time until the air lter is clogged varies greatly depending on the usage environment.
Removing the air lter unit
Tabs
Air lter cover
Tab
Air lter unit
Fig. 1 Fig. 2
ENGLISH - 111
Chapter 6 Maintenance - Maintenance/replacement
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