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Chapter 5 Maintenance — Maintenance/replacement
ENGLISH - 131
Maintenance/replacement
Before performing maintenance/replacement
f Make sure to turn off the power before maintaining the projector or replacing the unit. (x pages 47, 49)
f When switching off the projector, make sure to follow the procedures in “Switching off the projector” (x page 49).
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
Perform maintenance of the air lter in the following case.
f The air lter is clogged with dust, causing the lter replacement message to appear on the screen and the lter indicator <FILTER> to light
in red.
Attention
f Make sure to turn off the power before performing maintenance on the air lter unit.
f Make sure that the projector is stable, and perform the maintenance in a safe place where the unit will not be damaged even if you drop the
air lter unit.
Removing the air lter unit
Air filter cover Air filter unit
Air filter unit compartment and the projector’s air
intake port
Air filter cover fixing screw
Tabs on the projector
Fig. 1 Fig. 2 Fig. 3
1) Remove the air filter cover. (Fig. 1)
f Use a Phillips screwdriver to turn the air lter cover xing screw (x1) counterclockwise until it turns freely, and gently pull open in the
direction of the arrow with your nger placed on the indent of the air lter cover and remove the cover.
f When pulling open the air lter cover, be sure to rmly hold the air lter cover with your hand. Opening the air lter cover quickly may
result in the cover falling.
2) Remove the air filter unit.
f Pull out the air lter unit from the tabs of the projector while slightly pressing the tab at the center of the frame at the connecting
terminal side (rear side) inward as shown by the arrow, and remove the air lter unit. (Fig. 2)
f After pulling out the air lter unit, remove foreign objects and dust from the air lter unit compartment and the projector’s air intake port
if there are any. (Fig. 3)