Maintenance/replacement
ENGLISH -
57
Maintenance
Replacing the Lamp unit
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Attention
When the projector is mounted on a ceiling, do not work with your face close to the projector.
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Attach the lamp unit and the lamp cover securely.
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When you experience difculty in installing the lamp, remove it and try again. If you use force to install the lamp, the
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connector may be damaged.
Do not loosen other than designated screws.
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Lamp cover screw
Handle
Lamp unit screws
Lamp cover
Turn off the power by following the procedure in "Powering off the projector" 1 )
(
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page 29). Remove the AC power plug from the wall outlet. Wait at least 1 hour and
make sure the lamp unit and surroundings are cool.
Use a Phillips screwdriver to loosen the lamp cover screw and open the lamp cover.2 )
Open the lamp cover by pulling it slowly toward the direction of the arrow.
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Use a Phillips screwdriver to loosen the two lamp unit screws until the screws turn 3 )
freely. Pull up the handle, and pull out the lamp unit gently.
Insert the new lamp unit in correct direction. Tighten the two lamp unit screws 4 )
securely with a Phillips screwdriver.
Close the lamp cover, and tighten the lamp cover screw securely with a Phillips 5 )
screwdriver.
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Reset the Lamp Hours Used
After replacing the lamp unit, make sure to reset the usage time in the [Clear Lamp Hours] menu. (
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page 44)
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