Other Service Call - Oki MC770 Maintenance Manual

5.3.6

Other service call

[F100_0] HDD format error (Operation failure of key data)
Classification
Other service call
Check item
Setting
[F100_1] HDD format error (HDD encryption key data damaged - one board)
Classification
Other service call
Check item
Encryption key status
Take appropriate countermeasures shown in the table below according to the messages
displayed in "SRAM Key Status" and "FROM Key Status".
Remarks:
If the error is not cleared, reinstallation of the system firmware, system software and
application is needed. ([4]+[9] → Power-ON)
 P. 8-3 "8.2 Firmware Updating with USB Device"
SRAM Key
Status
OK
OK
AccessFailed
KeyNull
KeyBroken
Keymismatch
45584901TH Rev.1
HDD format error: Operation of HDD key data fails.
Reboot the equipment.
If it cannot be recovered, reinstall the software in the following procedure.
1. Install the system firmware.
 P. 8-3 "8.2 Firmware Updating with USB Device"
HDD format error: Encryption key data of either the CU board or the
SRAM board for the CU board are damaged.
Check the displayed message. ([3] + [C] + [POWER] → 5. Key Backup
Restore)
FROM Key
Status
AccessFailed Replace the CU board.
 P. 6-16 "6.2.4 Precautions and Procedures when replacing the CU
board" (all steps)
KeyNull Recover the encryption key on the CU board.
 P. 6-16 "6.2.4 Precautions and Procedures when replacing the CU
KeyBroken
board" ([E]Restore encryption key)
OK Replace the SRAM board (for the CU board). (USB backup data are
not used)
 P. 6-20 "6.2.5 Precautions and procedure when replacing the
SRAM board (for the CU board)" (all steps)
OK Recover the encryption key on the SRAM board.
 P. 6-20 "6.2.5 Precautions and procedure when replacing the
SRAM board (for the CU board)" ([H]Backup encryption key)
Keymismatch <The error occurs when the CU board is replaced>
Recover the encryption key on the CU board.
 P. 6-16 "6.2.4 Precautions and Procedures when replacing the CU
board" ([E]Restore encryption key)
<The error occurs except when the CU board is replaced>
Replace the SRAM board (for the CU board).
 P. 6-20 "6.2.5 Precautions and procedure when replacing the
SRAM board (for the CU board)" (all steps)
Oki Data CONFIDENTIAL
Contents
Measures
Contents
Measures
Measure
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