10 Replacement of Lamp Unit
Cautions
·
Wait until the lamp is cooled sufficiently before replacing the lamp unit.
10.1. Precautions on Lamp Unit Replacement
Remove the power plug and confirm that the surroundings of the lamp unit have cooled off.
·
Be careful when handling a light source lamp. The lamp unit has high internal pressure. If improperly handled, explosion might
result.
·
A used lamp unit may burst if it is handled violently.
For disposition of used lamps, request an industrial waste disposal contractor.
·
Do not reset the cumulative time, except when the lamp unit has been replaced with a new unit.
·
If you continue to use a lamp after the replacement time, the lamp may break.
·
Phillips screwdriver is necessary when replacing a lamp unit.
Take care not to slip your hand when using a screwdriver.
·
A lamp unit is an optional part. Contact the dealer.
Replacement lamp unit model No.: ET-LAD35 (single bulb)
Rating: 300 W
Long-life lamp unit model No.: ET-LAD35L (single bulb)
Rating: 160 W
·
Other lamps than specified above cannot be used. Be sure to use the specified lamp.
10.2. Timing of Lamp Unit Replacement
The lamp used for the light source has its due life. The life of light source lamp used in the main unit is 1 500 hours
*1
(when lamp
output is HIGH). However, it may happen that the lamp becomes dead (will not light) by the time of 1 500 hours
*1
depending on the
characteristics of individual lamps and working conditions (lamps may reduce their life affected by the times of lighting and the
intervals between previous lighting and next lighting). Therefore, it is strongly recommended for the user to keep a spare bulb. If
your lamp unit is not replaced after 1 300 hours
*2
(with the lamp output set at “HIGH”), power supply will be turned off automatically
at the time of 1 500 hours
*1
entering a standby state. After 1 500 hours
*1
of initial lighting, power supply is turned off automatically
about 10 minutes later, entering a standby state even if it is turned on again.
23
PT-D3500U / PT-D3500E
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