LabScan XE Supplemental Manual for EasyMatch QC
17
LabScan XE Maintenance and Testing
The LabScan XE is engineered to be virtually maintenance free. There are no fans with air filters to
change and the lamp is unlikely to need replacement over the normal expected instrument life. This
section outlines the few parts of the sensor you must maintain in order for the instrument to function
properly and tests that you may run to assess its performance.
Note: Do not disassemble the instrument and attempt to clean the optical components. Do
not open the instrument or remove any covers except using the instructions given in this
User’s Manual, your EasyMatch QC help file, or under the direction of HunterLab Technical
Support.
Running the Repeatability Test
You may test the repeatability of your LabScan XE as follows:
1. Turn the LabScan XE on and allow it to warm it up for two hours. Meanwhile, clean the
black glass and white tile and allow the tiles to return to room temperature.
2. Follow the instructions given in the Sensor Menu > Diagnostics to run the repeatability test
that is built into EasyMatch QC.
Running the Green Tile Test
The green tile is not used during the standardization process. Instead, the green tile is used to verify
the long-term performance of your instrument. Perform the green tile test described in the Sensor
Menu chapter, Diagnostics section once a week. You can then examine all green tile readings
periodically and see any trends that develop over time.
The LabScan XE should be in its standard configuration, with the largest port plate installed and the UV
filter nominal, when these readings are made. The illuminant and observer used in your display must
match those on the green tile.
Figure 14. Diagnostic Green Tile
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