• Code: 870
• Description: Address book error
  Address book data stored on the hard disk was detected as abnormal when it was accessed from either the operation panel or the network.
• Causes: • Defective software program • Defective HDD • Incorrect path to the server • Incorrect encryption setting or encryption key • Damaged address book data
• Remedy: 1. Mount correctly the media that stores the address book data and turn the main power switch off and on. 2. Initialize the address book data (SP5-846-050). 3. Initialize the partition for the HDD address book (Turn the main power switch off and on) (SP5-832-006). 4. Replace the HDD.

• Code: 872
• Description: HDD mail data error
  An error is detected in the HDD at power on.
• Causes: • Defective HDD • Power failure during an access to the HDD
• Remedy: 1. Turn the main power switch off and on. 2. Initialize the HDD partition (SP5-832-007). 3. Replace the HDD.

• Code: 873
• Description: HDD mail transfer error
  An error is detected in the HDD at machine initialization.
• Causes: • Defective HDD • Power failure during an access to the HDD
• Remedy: 1. Initialize the HDD partition (SP5-832-008). 2. Replace the HDD.

• Code: 874
• Description: Delete All error: Data area
  A data error is detected for the HDD/NVRAM after the Delete All option has been used. Note: The source of this error is the Data Overwrite Security Unit running from an SD card.
• Causes: • Data Overwrite Security Unit (SD card) not installed • Defective HDD
• Remedy: 1. Turn the main switch off/on and try the operation again. 2. Install the Data Overwrite Security Unit (D377) again. 3. Replace the HDD.

• Code: 875
• Description: Delete All error: HDD
  An error occurs while the machine deletes data from the HDD. Note: The source of this error is the Data Overwrite Security Unit running from an SD card.
• Causes: • The logical format for the HDD fails.
• Remedy: 1. Turn the main switch off/on and try the operation again

• Code: 876
• Description: Log Data Error
  An error was detected in the handling of the log data at power on or during machine operation. This can be caused by switching the machine off while it is operating.
• Causes: -01 Log Data Error 1 • Damaged log data file in the HDD 1. Initialize the HDD with SP5-832-004. -02 Log Data Error 2 • An encryption module not installed 1. Replace or set again the encryption module. 2. Disable the log encryption setting with SP9-730-004 ("0" is off.). -03 Log Data Error 3 • Invalid log encryption key due to defective NVRAM data 1. Initialize the HDD with SP5-832-004. 2. Disable the log encryption setting with SP9-730-004 ("0" is off.) -04 Log Data Error 4 • Unusual log encryption function due to defective NVRAM data 1. Initialize the HDD with SP5-832-004. -05 Log Data Error 5 • Installed NVRAM or HDD which is used in another machine. 1. Reinstall the previous NVRAM or HDD. 2. Initialize the HDD with SP5-832-004. -99 Log Data Error 99 • Other than the above causes 1. Ask your supervisor.
• Remedy:

• Code: 877
• Description: HDD Data Overwrite Security SD card error
  The 'all delete' function cannot be executed but the Data Overwrite Security Unit (D377) is installed and activated.
• Causes: • Defective SD card • SD card not installed
• Remedy: 1. Replace the NVRAM and then install the new SD card. 2. Check and reinstall the SD card.

• Code: 878
• Description: TPM electronic recognition error
  The system firmware is not authenticated by TPM (security chip).
• Causes: • Incorrect updating for the system firmware • Incorrect operating of the USB flash • Defective flash ROM on the controller board
• Remedy: 1. Replace the controller board.