Ricoh IM 550F

6.Troubleshooting
595
Trusted Platform Module
• In computing, Trusted Platform Module (TPM) is both the name of a published specification
detailing a secure crypto processor that can store cryptographic keys that protect information, as
well as the general name of implementations of that specification often called the "TPM chip" or
"TPM Security Device" (as designated in certain Dell BIOS settings).
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC878-01
D
USB flash error
There is a problem in the file system of the USB flash memory.
USB Flash system files corrupted.
Replace the controller board (PCB15).
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC878-02
D
TPM error
An error occurred in either TPM or the TPM driver.
TPM not operating correctly.
Replace the controller board (PCB15).
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC878-03
D
TCSD error
An error occurred in the TPM software stack.
• TPM, TPM software cannot start
• A file required by TPM is missing
Replace the controller board (PCB15).
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC878-
20
D
Random number generator self check error
The unusual status is detected during the self test of generated random number
seed.
TPM defective. (The random number seed is generated by TPM)
1. Turn ON the main power.
2. Replace the controller board (PCB15).
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC899-00
D
Software performance error (signal reception end)
Unknown software error occurred.
Occurs when an internal program behaves abnormally.
In the case of a hardware defect
• Replace the hardware.