Ricoh M160 Service Manual page 344

Service Call
SC No. Level
SC878-00 D
SC No. Level
SC878-01 D
SC No. Level
SC878-02 D
SC No. Level
SC878-03 D
M160/M161
Error Name/Error Condition/Major Cause/Solution
TPM electronic authentication error
The machine failed TPM electronic authentication.
System hash registered in the TPM did not match the data on
the USB flash.

System module was updated in an unauthorized manner.

USB flash is not working correctly.
Replace the controller board.
Error Name/Error Condition/Major Cause/Solution
USB Flash error
USB Flash file system error
USB Flash file system has been destroyed.
Replace the controller board.
Error Name/Error Condition/Major Cause/Solution
TPM error
An error occurred in the TPM or TPM driver.
TPM is defective
Replace the controller board.
Error Name/Error Condition/Major Cause/Solution
TCSD error
An error occurred in TPM software stack.

Unable to start TPM

Necessary files missing from the TPM.
Replace the controller board.
6-100 SM