Panasonic PT-DZ770E Operating Guide

Page of 124
Maintenance/replacement
ENGLISH - 105
Maintenance
4)  Attach the air filter unit to the 
projector.
z
The top and bottom of the air filter unit are 
different.
(Check the arrow (
ヶヱ
) direction.)
z
Perform Step 
2) in reverse order.
5)  Attach the air filter cover to the 
projector and use a Phillips 
screwdriver to tighten the air filter 
cover screw.
z
Perform Step 
1) in reverse order.
Attention
 
z
After washing the air filter unit, dry it thoroughly 
before attaching it back to the projector. Attaching a 
wet unit will cause an electric shock or malfunction.
 
z
Do not disassemble the air filter unit.
Note
 
z
Make sure that the air filter unit is properly attached 
before using the projector. If not properly attached, 
the projector will suck in dirt and dust which causes 
malfunction and the power to switch off 10 minutes 
later. (The time remaining until the power switches 
off is displayed in 1-minute increments.)
 
z
Replace the air filter unit with a replacement filter 
unit (ET-EMF300) if it is damaged or if the dirt does 
not come off even after washing.
 
z
Air filter replacement is recommended after 
cleaning the unit two times.
 
z
The dust-proof properties may be reduced after 
each cleaning.
Replacing the unit
Air filter unit
If dirt does not come off even if the unit is maintained, it is time for the unit to be replaced.
The replacement filter unit (ET-EMF300) is an optional accessory. To purchase the product, consult your 
dealer.
Replacement of the air filter unit
Attention
 
z
Make sure to turn off the power before replacing 
the air filter unit.
 
z
When replacing the unit, make sure that the 
projector is stable. Perform the replacement in a 
safe place where the projector will not be damaged 
even if you drop the air filter unit.
1)  Remove the air filter cover.
z
Use a Phillips screwdriver to turn the air filter 
cover screw counterclockwise until it turns 
freely, and then remove the air filter cover.
Air filter cover fixing screw
Air filter cover
2)  Pull out the air filter unit.
z
Grasp the air filter unit tabs and remove the air 
filter unit from the projector body.
72
Air filter unit
Tabs
z
After pulling out the air filter unit, remove any 
large foreign objects or dust present in the air 
filter unit compartment and the air intake port of 
the projector body.
3)  Attach the separately sold replacement 
filter unit (ET-EMF300) to the projector.
z
The top and bottom of the air filter unit are 
different.
(Check the arrow (
ヶヱ
) direction.)
z
Perform Step 
2) in reverse order.
4)  Attach the air filter cover to the 
projector. Using a Phillips screwdriver, 
tighten the air filter cover screw.
z
Perform Step 
1) in reverse order.
Attention
 
z
When switching on the projector, make sure that 
the air filter unit is installed. If not properly attached, 
the projector will suck in dirt and dust which causes 
malfunction and the power to switch off 10 minutes 
later. (The time remaining until the power switches 
off is displayed in 1-minute increments.)
Note
 
z
The replacement cycle of the air filter unit varies 
greatly depending on the usage environment.