Ricoh M281 Series Service Manual page 525

No. Type
TPM defective. (The random number seed is generated by TPM)
1.
2.
No. Type
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

In the case of a software error


SM
Error Name/Error Condition/Major Cause/Solution
Turn ON the main power.
Replace the controller board.
Error Name/Error Condition/Major Cause/Solution
Replace the hardware.
Turn the main power OFF/ON.
Try updating the firmware.
6-87
Service Call 816-899
D255/D256/M281/M282