Sc7Xx: Peripherals - Ricoh MPC 2800 AT-C2 Mode D'emploi

3. Appendix: Service Call Conditions
No. Type
3
No. Type
690 D

SC7xx: Peripherals

No. Type
721 B
80
Details (Symptom, Possible Cause, Troubleshooting Procedures)
The BICU does not receive a memory address command from the controller 120
seconds after paper is in the position for registration.
• Loose connection
• Defective controller
• Defective BICU
1. Check if the controller is firmly connected to the BICU.
2. Replace the controller.
3. Replace the BICU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
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 BICU
• Defective LD controller board
1. Turn the main switch off and on.
2. Check the cable connection.
3. Replace the laser optics-housing unit.
4. Replace the BICU board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher jogger motor error
The jogger fences move out of the home position but the HP sensor output does not
change within the specified number of pulses.