Maintenance/Replacement; Before Performing Maintenance/Replacement; Maintenance - Panasonic PT-MZ670L Operating Instructions Manual

Maintenance/replacement

Before performing maintenance/replacement

f Make sure to turn off the projector and disconnect the power plug from the outlet before maintaining or replacing
the unit. (x pages 58, 66)
f When switching off the projector, make sure to follow the procedures in "Switching off the projector"
(x page 66).

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 fluffy, 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 filter unit
Perform maintenance of the air filter unit in the following case.
f 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
f Make sure to secure the stability of the projector, and perform the maintenance in a safe location even if the air filter cover or the air filter
unit falls accidentally.
f When the air filter unit is replaced, reset the filter counter.
If the filter counter is not reset after replacing the air filter unit, [FILTER COUNTER has reached the set time.] is displayed.
For details of resetting the filter counter, refer to "Resetting the filter counter" (x page 201).
Removing the air filter unit
Air filter cover fixing screw
Air filter cover
Fig. 1
1) Turn off the power of the projector.
f Always follow the procedure of "Switching off the projector" (x page 66) when turning off the power.
Chapter 6 Maintenance — Maintenance/replacement
Tabs on the projector body
Grip
Air filter unit compartment and the
projector's air intake port
Air filter unit
Fig. 2
ENGLISH - 199