Oki ES9160 Maintenance Manual page 664

Message displayed
SRAM Key FROM Key
Status Status
KeyNull OK
KeyBroken
KeyMismatch KeyMismatch
AccessFailed AccessFailed
KeyNull AccessFailed
KeyBroken
AccessFailed KeyNull
KeyBroken
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
(1) Recover the encryption key on the SRAM board.
P. 9-20 "9.2.8 Precautions and Procedures when
replacing SRAM board"
<The error occurs when the SYS board is replaced>
(1) Recover the encryption key on the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
<The error occurs except when the SYS board is replaced>
(1) Recover the encryption key on the SRAM board.
P. 9-20 "9.2.8 Precautions and Procedures when
replacing SRAM board"
<With USB-SRAM backup data: USB backup data recovery>
(1) Replace the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
(2) Replace the SRAM board (for the SYS board). (USB
backup data are used)
P. 9-20 "9.2.8 Precautions and Procedures when
replacing SRAM board"
(3) Recover the encryption key/license on the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
([D]Restore encryption key, [E] Restore license)
<With USB-SRAM backup data: USB backup data recovery>
(1) Replace the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
(2) Recover all data on the SRAM board.
P. 9-20 "9.2.8 Precautions and Procedures when
replacing SRAM board"
"[D] Restore SRAM" step (6) to (10)
(3) Recover the encryption key/license on the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
([D] Restore encryption key, [E] Restore license)
<With USB-SRAM backup data: USB backup data recovery>
(1) Install the OS data.
P. 11-9 "11.2.1 Master data/System ROM/Engine
ROM/Scanner ROM / RADF ROM"
(2) Replace the SRAM board (for the SYS board). (USB
backup data are used)
P. 9-20 "9.2.8 Precautions and Procedures when
replacing SRAM board"
(3) Recover the encryption key/license on the SYS board.
P. 9-14 "9.2.4 Precautions and Procedures when
replacing the SYS board"
([D] Restore encryption key, [E] Restore license)"
8 - 184
Measure
([G] Backup encryption key)
([D] Restore encryption key)
([G] Backup encryption key)
(all procedure)
(all procedure)
(all procedure)
(all procedures)
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