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Maintaining the Equipment
August 2001 4-9
3. Position the red balance-filter selection handle of the balance-filter assembly
in the center.
4. Hold the red handle and pull the assembly straight out from the scanner.
5. Push the IR filter up from below the filter assembly.
6. Clean the IR filter with the camel’s-hair brush or, if needed, replace the IR filter
as described in step 7.
CAUTION: Use care with the IR filter. It is not secured in place.
7. If replacing the IR filter, set the new filter in place with the arrows on the edges
of the filter pointing down toward the scan lamp.
8. Install the filter assembly in the scanner with the balance-filter selection
handle in the middle.
9. Reinstall the lamp cover, tighten the thumbscrews, and select a filter position.
10. Calibrate the scanner (see Calibrating the Scanner on page 3-4).