Polaroid SprintScan SS35 Repair Manual page 143

Slide Scanner Repair Manual
Table 5-12. Interpreting Measurements of the Uniformity Tests (Cont'd)
Test Name Specification
SS35ES
Green Light Min = 64%
Uniformity
Blue Light Min = 64%
Uniformity
Mean Max = 26 dn
Uncorrected
Dark Level
Uncorrected Max = 3.00 dn
Std. Dev.
Specification
SS 35 Plus
Min = 64% •
•
Min = 64% •
•
Max = 86 dn •
•
Max = 5.00 dn If all other tests pass, replace
Controller PC Board or CCD PC
Board.
143
Diagnostics and Troubleshooting
Suggested Repair
Replace lamp.
Obstruction in optic path such as
dust, dirt or hair in the light
tunnel.
Replace lamp.
Obstruction in optic path such as
dust, dirt or hair in the light
tunnel.
Check alignment of light tunnel
and correct if necessary. Make
sure there are no light leaks into
the slide scanner (should be done
with cover on). See specification.
Replace CCD.