Panasonic PT-DZ21K2 Operating Instructions Manual page 187

3) Attach the lamp case. (Fig. 1)
f Slowly insert the lamp case into the projector along the grooves for the guide to attach the lamp case, then
firmly tighten the lamp case fixing screws (x2).
f If the projector is installed upward in the vertical direction, the lamp case may drop off on its weight when
fixing it. Take extra care by holding the lamp case handle when tightening the lamp case fixing screws.
f If you are having difficulty attaching the lamp case, remove it first and then push it in again slowly. Pushing
it in quickly or forcibly may break the connector.
f Make sure to attach the lamp case securely.
4) Attach the lamp unit cover. (Fig. 2)
i) Align the mark (a) with the mark (b) (E and A) and attach the lamp unit cover as shown by the arrow.
ii) Slide the lamp unit cover as shown by the arrow to fit it in the projector.
f Attach the lamp unit cover so that the connector on the lamp unit cover is inserted to the fan power
connector securely.
iii) Use a Phillips screwdriver to firmly tighten the lamp unit cover fixing screw (x1).
f Make sure to attach the lamp unit cover securely.
Air filter unit
If dirt does not come off even after the unit is maintained, it is time for the unit to be replaced.
The Replacement filter unit (Model No.: ET-EMF510) is an optional accessory. To purchase the product, consult
your dealer.
Replacing the air filter unit
Attention
f Make sure to turn off the power before replacing the air filter unit.
f When attaching the unit, make sure that the projector is stable, and perform the replacement in a safe place even if you drop it accidentally.
1) Remove the air filter unit.
f Refer to "Removing the air filter unit" (x page 181).
2) Attach the optional Replacement filter unit (Model No.: ET-EMF510) to the projector.
f The air filter unit has no difference between top and bottom, but is two-sided. Match the protrusion position
of the air filter unit with the grooves on the projector body.
f Refer to "Attaching the air filter unit" (x page 182).
Attention
f When switching on the projector, make sure that the air filter unit is attached. If it is not properly attached, the projector will suck in dirt and
dust causing a malfunction.
f If you use the projector without attaching the air filter unit, the filter indicator <FILTER> blinks in red and the message appears on the
projected image for approximately 30 seconds.
Note
f The replacement cycle of the air filter unit varies greatly depending on the usage environment.
Chapter 5 Maintenance — Maintenance/replacement
ENGLISH - 187