User's Manual

158 Chapter 4
Fingerprint Reader Failure
If the Fingerprint Reader fails, perform the following actions one at a time to correct the problem. Do not
replace non-defective FRUs:
Start
check knob
to F/PFFC
Re-assemble
the F/P FFC to
Knob/B
OK
NG
Check M/B
to
Knowb FFC
OK
Re-assemble
The knob FFC
to M/B
OK
NG
Swap M/B
Check
Logic Upper
Swap Logic
upper
OK
OK
NG