Ricoh M281 Series Service Manual page 524

Service Call 816-899
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
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.
No. Type
SC878-02 D TPM error
An error occurred in either TPM or the TPM driver.
TPM not operating correctly.
Replace the controller board.
No. Type
SC878-03 D TCSD error
An error occurred in the TPM software stack.


Replace the controller board.
No. Type
SC878-20 D Random number generator self check error
The unusual status is detected during the self test of generated
random number seed.
D255/D256/M281/M282
Error Name/Error Condition/Major Cause/Solution
Error Name/Error Condition/Major Cause/Solution
Error Name/Error Condition/Major Cause/Solution
TPM, TPM software cannot start
A file required by TPM is missing
Error Name/Error Condition/Major Cause/Solution
6-86 SM