Chapter 5 Maintenance — Maintenance/replacement

Maintenance/replacement

Before performing maintenance/replacement

ff Make sure to turn off the power before maintaining or replacing the unit. (x pages 52, 55)

ff When switching off the projector, make sure to follow the procedures in “Switching off the projector” (x page 55).

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 unit in the following cases.

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.

Removing the air filter unit

Air filter cover fixing screw

Tabs on the projector body

Air filter cover

Fig. 1

Air filter unit compartment and the projector’s air intake port

Tabs on the projector body

 

Air filter unit

Fig. 2

Fig. 3

1)Remove the air filter cover. (Fig. 1)

ff Use a Phillips screwdriver to turn the air filter cover screw counterclockwise until it turns freely, and then remove the air filter cover.

ff Loosen the air filter cover fixing screw while putting your hand on.

2)Pull out the air filter unit.

ff Pull out the air filter unit frame from the tabs of the projector body while slightly pressing around the center of the frame at the front side (with the lens) inward as described with the arrow, and pull out the frame at the opposite side from the tabs to remove the air filter unit. (Fig. 2)

ff After pulling out the air filter unit, remove large foreign objects and dust from the air filter unit compartment and the air intake port of the projector body if there are any. (Fig. 3)

ENGLISH - 157