Ricoh Aficio MP C2050 Service Manual

SC Tables
D037/D038/D040/D041 4-56 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Replace the controller board.
The USB NAND Flash ROM is disconnected.
 Defective controller board
[9110]
Replace the controller board.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
IEEE1394 interface error
The 1394 interface is unusable.
 Defective IEEE1394
 Defective controller.
851
CTL
B
1. Turn the main switch off and on.
2. Replace the IEEE1394 interface board.
3. Replace the controller.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Wireless LAN card not detected
The wireless LAN card is not detected before communication is
established, though the wireless LAN board is detected.
 Loose connection
853
CTL
B
Check the connection.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Wireless LAN/Bluetooth card not detected 854 CTL
B
The wireless LAN/Bluetooth card is not detected after communication is
established, but the wireless LAN board is detected.

Ricoh Aficio MP C2050 Specifications