Ricoh M080 Service Manual page 157

SDK Application Recognition Module
636 D
Engine to controller communication
error .
641 D
no answer
SM Appendix
Module management is set for
ON but the module was not
recognized.
SDK application not recognized.
Module SD card defective, or
recognition file corrupted
DESS (Data Encryption Security
Service) module not present
Note: DESS is the data encryption
module built into the GW controller
board.
1. Replace NVRAM.
2. Replace GW controller board.
Examine the connection
between the controller and the
engine board.
Replace the engine board if the
error is frequent.
2-9
Service Call Conditions
M080