Oki ES9160, Maintenance Manual, Page: 663 / 1087

8
© 2012 OKI DATA CORPORATION All rights reserved ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
8 - 183
[F109_1] Key consistency error (SRAM encryption AES key data damage)
[F109_2] Key consistency error (Signature Check public key damage)
[F109_3] Key consistency error (HDD encryption parameter damage)
Take measures given in the following table according to the messages displayed in the SRAM Key
Status and FROM Key Status fields.
Remarks:
If the error is not cleared, reinstallation of the OS data, master data and application is needed.
Classification Contents
Other service call Key consistency error - AES key data used for SRAM
encryption are damaged.
Check Item Measure
Setting Reboot the equipment.
If it cannot be recovered, reinstall the software in the following
procedure.
(1) Install the OS data.
P. 11-9 "11.2.1 Master data/System ROM/Engine
ROM/Scanner ROM / RADF ROM"
Classification Contents
Other service call Key consistency error - Public key data used for Integrity Check
are damaged.
Check Item Measure
Setting Reboot the equipment.
If it cannot be recovered, reinstall the software in the following
procedure.
(1) Install the OS data.
P. 11-9 "11.2.1 Master data/System ROM/Engine
ROM/Scanner ROM / RADF ROM"
Classification Contents
Other service call Key consistency error - Parameter used for HDD partition
encryption are damaged.
Check Item Measure
Encryption key status confirmation Check the message displayed by [3] + [C] + [START]
→
5.
Key Backup Restore.
Message displayed
Measure
SRAM Key
Status FROM Key
Status
OK AccessFailed (1) Replace the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
(all procedure)
OK KeyNull (1) Recover the encryption key on the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
([D] Restore encryptipn key)
KeyBroken
AccessFailed OK (1) Replace the SRAM board (for the SYS board). (USB
backup data are not used)
P. 9-20 "9.2.8 Precautions and Procedures when
replacing SRAM board"
(all procedure)