Ricoh D146 Service Manual page 607

SC No. Level
SC857-00 B
SC No. Level
SC858-01 -
SC No. Level
SC858-02 A
SM
Error Name/Error Condition/Major Cause/Solution
USB I/F Error
The USB interface is unusable because of a driver error.
USB driver error (There are three causes of USB error: RX
error/CRC error/STALL. SC is issued only in the case of STALL.)
§
Check USB connection.
§
Replace the controller board.
Error Name/Error Condition/Major Cause/Solution
Data encryption conversion error (HDD Key Setting Error)
A serious error occurred during an attempt to update the
encryption key.
§
Data in the USB Flash etc. corrupted
§
Communication error because of electromagnetic
interference etc.
§
Controller board defective
Replace the board.
Error Name/Error Condition/Major Cause/Solution
Data encryption conversion error (NVRAM read/write error)
A serious error occurred after data conversion during an attempt
to update the encryption key.
NVRAM defective
Replace the board.
5-133
Service Call 816-899
D146/D147/D148/D149/D150