4-ENGLISH
Replacing the lamp unit
Attention
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When the projector is mounted on the ceiling, do
not make the replacement while your face is near
the lamp unit.
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Do not remove or loosen the screws other than
specified ones when replacing the lamp unit.
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Use both lamp units of the same type.
1) Set the <MAIN POWER> switch to
<OFF> and disconnect the power
plug from the power outlet.
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Wait at least one hour and check if the lamp
unit has cooled down.
2) Remove the lamp unit cover.
(i) Use a Phillips screwdriver to loosen the
lamp unit cover fixing screw (one screw)
counterclockwise until it turns freely, and
then open the lamp unit cover slowly in
the direction of the arrow described in the
following figure.
• Opening the lamp unit cover quickly may
result in damage to the cover.
• If you loosen the lamp unit cover fixing
screw with the projector installed upward
in the vertical direction, the lamp unit cover
may open on its weight and fall off.
(ii) Hold the lamp unit cover securely and slide
it in the direction of the arrow, and then pull
it out backward to remove.
• The lamp unit cover includes a fan and
other components so caution is necessary
when handling during replacement.
Lamp unit cover
fixing screw
Lamp unit cover
3) Remove the lamp unit.
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Use a Phillips screwdriver to turn the
lamp unit fixing screws (two screws)
counterclockwise until they turn freely, and
then remove the lamp unit in the horizontal
direction while holding the handle.
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Do not remove the screws other than the
lamp unit fixing screws.
Lamp unit 2
Lamp unit 1
Handles
Lamp unit fixing screws
4) Attach the lamp unit.
(i) Push in the new lamp unit while checking
the position of the attachment guide
grooves and the lamp unit attaching guide.
• If the lamp unit is not installed properly,
remove it and then gently install it again.
Pushing it in forcibly or exerting excessive
force may break the connector.
(ii) Use a Phillips screwdriver to tighten the
lamp unit fixing screws (two screws each).
• Make sure to attach the lamp unit
properly.
Mounting guide grooves
Fan power
connector
Lamp unit
mounting
guide
Mounting guide grooves
5) Attach the lamp unit cover
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Close the lamp unit cover by the reverse
procedure from step 2), and use a Phillips
screwdriver to tighten the lamp unit cover
fixing screw (one screw).
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Make sure the connector at the side of the
lamp unit cover is firmly inserted in the fan
power connector.
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Make sure to attach the lamp unit cover
properly.
Note
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When you place the new lamp unit, the projector
resets the total usage time of the lamp unit
automatically.
Attention
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After unpacking the lamp unit, discard the
packaging material properly.
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