Toshiba e-STUDIO656 - Page 638

e-STUDIO556/656/756/856(Ver03) © 2012 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 130
[F109_1] Key consistency error (SRAM encryption AES key data damage)
[F109_2] Key consistency error (Signature Check public key damage)
Replace parts Remarks
SRAM board
SYS board
Classification Error item
Other service call Key consistency error - AES key data used for SRAM encryption are
damaged.
Check item Measures
Setting
Reboot the equipment.
If it cannot be recovered, reinstall the software in the following procedure.
• Install the OS data.
 P.11-7 "11.2.1 Master data / System ROM / Laser ROM / PFC ROM
/ Engine ROM / Scanner ROM / RADF ROM"
• Reinstall the master data and application program.
Classification Error item
Other service call Key consistency error - Public key data used for Integrity Check are
damaged.
Check item Measures
Setting
Reboot the equipment.
If it cannot be recovered, reinstall the software in the following procedure.
• Install the OS data.
 P.11-7 "11.2.1 Master data / System ROM / Laser ROM / PFC ROM
/ Engine ROM / Scanner ROM / RADF ROM"
• Reinstall the master data and application program.