Panasonic PT-EZ770T Operating Instructions Manual page 7

CAUTION:
r MAINTENANCE
Do not attach the air filter unit while it is wet.
Doing so may result in electric shock or malfunctions.
f After you clean the air filter units, dry them thoroughly before reattaching them.
Ask your dealer about cleaning inside the projector once a year.
Continuous use while dust is accumulated inside the projector may result in fire.
f For cleaning fee, ask your dealer.
Read this first!
ENGLISH - 7