Oki MPS5502 - Page 142

45641001TH Rev.1
5-59 /
Oki Data CONFIDENTIAL
[F109_5] Key consistency error (encryption key for ADI-HDD is damaged)
Classification Contents
Other service call Keyconsistencyerror-EncryptionkeyforADI-HDDisdamaged.
Check item Measures
Encryption key status
confirmation
Checkthemessagedisplayedby[3]+[C]+[POWER]
→
5.KeyBackup
Restore.
Take measures given in the following table according to the messages displayed in the SRAM
KeyStatusandFROMKeyStatuselds.
Remarks:
Iftheerrorisnotcleared,reinstallationofthesystemrmware,systemsoftwareandapplication
is needed. ([4]+[9]
→
Power-ON)
SRAMKey
Status
FROMKey
Status
Measure
* AccessFailed Replace the SYS board.

P.6-18“6.2.4PrecautionsandProcedureswhenreplacingtheSYS
board” (all steps)
<WithUSBbackupdata:Allkeydatarecovery>
1. Recover all the data on the SRAM board.
[5]+[9]+[POWER]
→
2. Restore SRAM Data from USB (For
details,see“9.1.4Cloningprocedure[B]Restoreprocedure”)
2. Recover the encryption key/license on the SYS board.
Followtheproceduresbelownotedin“6.2.4Precautionsand
Procedures when replacing the SYS board”.
[C] Restore ADI key (only when ADI-HDD is installed)
[D] Restore encryption key
[E] Restore license
AccessFailed * Replace the SRAM board (for the SYS board).

P.6-22“6.2.5Precautionsandprocedurewhenreplacingthe
SRAM board (for the SYS board)” (all steps)
OK KeyNull/
KeyBroken
Recover the ADI key on the SYS board.

P.6-18“6.2.4PrecautionsandProcedureswhenreplacingtheSYS
board” ([C] Restore ADI key)
KeyNull/
KeyBroken
OK Recover the encryption key on the SRAM board.

P.6-22“6.2.5Precautionsandprocedurewhenreplacingthe
SRAM board (for the SYS board)” ([G] Backup ADI key)
KeyNull/
KeyBroken
KeyNull/
KeyBroken
<No USB backup data>
1.CreatethepartitionintheHDD,andreinstallthesystemsoftware.

P.6-13“6.2.3Precautionsandprocedureswhenreplacingthe
HDD”(Performstep3orlaterin“[E]Replace/FormatHDD”)
<WithUSBbackupdata:Allkeydatarecovery>
1. Recover all the data on the SRAM board.
[5]+[9]+[POWER]®2.RestoreSRAMDatafromUSB(For
details,see“9.1.4Cloningprocedure[B]Restoreprocedure”)
2. Recover the encryption key/license on the SYS board.
Followtheproceduresbelownotedin“6.2.4Precautionsand
Procedures when replacing the SYS board”.
[C] Restore ADI key (only when ADI-HDD is installed)
[D] Restore encryption key
[E] Restore license