Ricoh MP C2504 Field Service Manual page 937

6. Troubleshooting
No.
SC835-00
[1102]
[110C]
[1120]
928
Type Error Name/Error Condition/Major Cause/Solution
B Self-diagnostic error: Centronic device
[xxxx]: Detailed error code
Verify error
The loopback connector is connected but check results is an error.
• IEEE1284 connector error
• Centronic loopback connector defective
Replace the controller board.
DMA verify error
The loopback connector is connected but check results is an error.
• ASIC device error
• IEEE1284 connector error
• Centronic loopback connector is defective
Replace the controller board.
Loopback connector not detected
Centronic loopback connector is not connected for detailed self-
diagnostic test.
• Centronic loopback connector not connected correctly
• Centronic loopback connector is defective
• ASIC device is defective
• Connect the centronic loopback connector
• Replace the centronic loopback connector
• Replace the controller board.