Ricoh D127 Field Service Manual page 188

6. Troubleshooting
877-00 C
878 TPM system authentication error
-00 B
-01 B
-02 B
-03 B
186
HDD erasing error
Cannot operate successive erasing of
the hard disc encryption unit under
the condition of the successive erasing
setting ON.
The system firmware is not
authenticated by TPM (security chip).
USB Flash error
Defective file system of USB Flash
memory.
TPM error
Defective TPM or TPM drive
TCSD error
Defective TPM Software Stack
• SD card for the hard disc encryption
unit is ejected
• Defective SD card for the hard disc
encryption unit
1. The case that the SD card is ejected,
insert a normal condition SD card for
the unit into the slot after the main
power switch OFF.
2. The case that the SD card is
defective, replace the NVRAM on
the machine under the condition of
you preparing the new option SD
card.
• Incorrect updating for the system
firmware
• Defective flash ROM on the
controller board
1. Replace the controller board.
• USB Flash file system is broken
1. Replace the controller board
• Defective TPM
1. Replace the controller board
• Cannot start TPM Software Stack up
• NOT found necessary files for TPM
Software Stack
1. Replace the controller board