Replacement
ENGLISH - 111
Maintenance

JProcedure of lamp unit replacement

Attention
When the projector is mounted in the ceiling, do not work directly under the projector or put your face close to the projector.
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The lamp unit and the lamp unit cover must be attached correctly and securely. Failure to do so, the projector will not be
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turned on for the protection circuit.
If the lamp unit is not installed smoothly, remove it and then install it again. If it is pushed in forcibly, its connector may be
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broken.
Turn the main power OFF, following the 1 )
procedures described in “Powering off
the projector” (Æpage 40), disconnect
the power plug from the AC power
source, and wait for one hour or more.
Then check that the lamp unit has
cooled down.
Turn the “lamp unit cover xing 2 )
screw” (1 piece) with a Phillips-head
screwdriver until it is fully loosened,
and then hold the “lamp unit cover”
securely and open it in the direction of
the arrow.
Use a Phillips screwdriver to loosen 3 )
the “Lamp unit cover xing screw” (4
screws) for the lamp unit to be replaced
until the screws turn freely. Hold the
“Handle” of the “Lamp unit” and
gently pull the lamp unit out from the
projector.
Replace the new LAMP unit in correct 4 )
direction.
Use a Phillips screwdriver to securely 5 )
tighten the 2 “Lamp unit cover xing
screw” for each lamp unit.
Close the “lamp unit cover” and 6 )
tighten the “lamp unit cover xing
screw” (1 piece) securely with a
Phillips-head screwdriver in the
reverse order to Step 2).
Note
When the lamp unit is replaced, the duration of usage
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time will be reset to “0”.
Lamp unit cover
xing screw
Lamp unit cover
Lamp unit xing screws
Lamp unit 1HandleLamp unit 2
Lamp unit
installation guide
Groove for lamp unit installation guide
Groove for lamp unit installation guide