Ricoh M281 Series Service Manual page 509

No. Type
No. Type
SC859-10 B
SM
Error Name/Error Condition/Major Cause/Solution
When the data encryption key was updated, HDD data was
converted, but not correctly. Image displayed at conversion only
(this SC is not displayed), but SC is displayed after machine is
cycled off/on.
Details:
NVRAM/HDD conversion is incomplete.
Power failure occurred during encryption key update.
None
The display after restart instructs the user to format the HDD.
Error Name/Error Condition/Major Cause/Solution
Data encryption conversion HDD conversion error (Data
read/write command error)
When the data encryption key was updated, HDD data was
converted, but not correctly. Image displayed at conversion only
(this SC is not displayed), but SC is displayed after machine is
cycled off/on.
Details:
Abnormal DMAC return value has been received two or more
times (DMAC timeout, serial communication error etc.)
HDD was not successfully converted during encryption key
update due to HDD errors or cable noises.

Check HDD connection.

Format the HDD (SP5-832: HDD formatting).

If there is a problem with the HDD, it has to be replaced.
6-71
Service Call 816-899
D255/D256/M281/M282