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6 Maintenance
897N201058J FDC NX700 Instruction Manual 2022.04
6.5 Replacing and cleaning the light source lamp
The average life of the lamp is about 1,000 hours. Replace the light source lamp if a photometer
gain error has occurred or the lamp’s cumulative illumination time is near 1,000 hours.
CAUTION:
The light source lamp gets very hot. Before cleaning the light source unit or replacing the light
source lamp, turn off the power, wait at least 5 minutes, and then check the lamp has cooled.
Front bottom cover
1. Pull out the disposal box, and then re-
move the front bottom cover.
2
1
3
Lamp unit
Thumb-
screw
Connector
2. Loosen the thumbscrew as shown in the
left figure and remove the lamp unit.
3. Unplug the connector of the light source
lamp and remove the lamp unit.
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