SC6xx: Communication
SM 6-69 D0CA/D0C9/D0C8/D0CB
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
bent. If any of the pins are bent, replace the Toner Bottle Sensor Board
(PCB7).
2. Replace the toner bottle.
3. Check the Toner Bottle Sensor Board (PCB7), and replace if damaged.
4. Reattach the Toner Bottle Sensor Board (PCB7).
5. Replace the harness between the BiCU (PCB1) and toner bottle detection
board.
6. Replace the BiCU (PCB1).
What to do if a connection error has occurred for all colors
1. Reconnect the harness between the BiCU (PCB1) and Toner Bottle
Sensor Board (PCB7).
2. Replace the harness between the BiCU (PCB1) and Toner Bottle Sensor
Board (PCB7).
3. Replace the BiCU (PCB1) and toner bottle at the same time.
No. Detail Causes
681 01 - 04 Invalid device ID Noise, Incorrect connection, Malfunction
06 - 09 Channel error Noise, Incorrect connection, Malfunction
11 - 14 Device Error Noise, Incorrect connection
16 - 19 Communication error (interrupted) Noise, Incorrect connection
21 - 24 Communication timeout Noise, Incorrect connection, Malfunction
26 - 29 Device stops (logically) Noise, Incorrect connection, Malfunction
31 - 34 Full of buffer (request) Noise, Incorrect connection, Malfunction
36 - 39 Verification error Noise, Incorrect connection
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