Chapter
Maintenance/replacement
Before performing maintenance/replacement
ff Make sure to turn off the power before maintaining the projector or replacing the unit. (x pages 44, 48)
ff When switching off the projector, make sure to follow the procedures in “Switching off the projector” (x page 48).
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
ff If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with a dry cloth.
ff Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Doing so may deteriorate the outer case.
ff 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.
ff Do not use a cloth that is fluffy, dusty, or soaked with oil/water.
ff Since the lens is fragile, do not use excessive force when wiping the lens.
Attention
ff The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Handle with care.
Air filter unit
Perform maintenance of the air filter in the following case.
ff The air filter is clogged with dust, causing the filter replacement message to appear on the screen and the filter indicator <FILTER> to light in red.
Attention
ff Make sure to turn off the power before performing maintenance on the air filter unit.
ff 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 filter unit.
Removing the air filter unit
Air filter cover | Tabs on the projector | Air filter unit |
Air filter cover fixing screw |
| Air filter unit compartment and the projector’s air |
| intake port | |
Fig. 1 | Fig. 2 | Fig. 3 |
1)Remove the air filter cover. (Fig. 1)
ff Use a Phillips screwdriver to turn the air filter cover fixing screw (x1) counterclockwise until it turns freely, and gently pull open in the direction of the arrow with your finger placed on the indent of the air filter cover and remove the cover.
ff When pulling open the air filter cover, be sure to firmly hold the air filter cover with your hand. Opening the air filter cover quickly may result in the cover falling.
2)Remove the air filter unit.
ff Pull out the air filter 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 filter unit. (Fig. 2)
ff After pulling out the air filter unit, remove foreign objects and dust from the air filter unit compartment and the projector’s air intake port if there are any. (Fig. 3)
ENGLISH - 129