Toshiba Tecra M5 Maintenance Manual page 123

2.17 Fingerprint sensor Troubleshooting
Check 3 The GF board may be faulty. Replace it with a new one. If the problem persists,
perform Check 4.
Check 4 The system board may be faulty. Replace it with a new one.
TECRA M5 Maintenance Manual (960-542)
2 Troubleshooting Procedures
[CONFIDENTIAL] 2-69