Ricoh M065 - Page 353

SC Tables
SM Appendix 3-43 M065/M066
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
687 D
Memory address command error
The BCU does not receive a memory address command from the
controller for the prescribed time after the paper has reached the
registration sensor.
 Harness disconnection at BCU
 Controller board loose or broken
 Defective HDD
 Defective BCU
 Defective controller
1. Check if the controller is firmly connected to the BCU.
2. Update the firmware of the controller.
3. Replace the HDD.
4. Update the firmware of the BCU.
5. Replace the BCU.
6. Replace the controller.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
690 D
GAVD communication error
 The I2C bus device ID is not identified during initialization.
 A device-status error occurs during I2C bus communication.
 The I2C bus communication is not established due to an error other
than a buffer shortage.
 Loose connection
 Defective BCU
 Defective LD controller board
1. Turn the main switch off and on.
2. Check the cable connection.
3. Replace the laser unit.
4. Replace the BCU.