Ricoh D093 - Data Encryption Error 1; USB I;F Error; Wireless LAN Error 3;4

Service Call Tables
D093/D094 7-36 SM
855 B Wireless LAN error 3
CTL
An error was detected on the wireless LAN card.
 Wireless LAN card defective
 Wireless LAN card connection incorrect
856 B Wireless LAN error 4
CTL
An error was detected on the wireless LAN board.
 Wireless LAN board defective
 PCI connector to MB loose
857 B USB I/F Error
CTL
The USB driver is not stable and caused an error.
 Poor USB card connection
 Replace the controller board
858 A Data Encryption Error 1
CTL
These are errors of the HDD Data Encryption Option.
0 Key Acquisition
Key could be acquired.
 Replace the controller board
1 HDD Key Setting Error
The key was acquired but the HDD could not be set.
 Turn the machine power off/on several times.
 Replace the controller board.
2 NVRAM Read Error
NVRAM data conversion failed (mismatch with nvram.conf).