Sc7Xx: Peripherals - Ricoh D037 Service Manual

SC Tables
No. Type
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.
687 D
1.
2.
3.
No. Type
GAVD communication error
690 D
1.
2.
3.
4.

4.1.8 SC7XX: PERIPHERALS

No. Type
Shift tray motor error
The shift tray HP sensor does not activate within 1.86 seconds after the
shift tray motor starts to move at power on or copying. The 1st
730 B detection failure issues a jam error, and the 2nd failure issues this SC
code.
D037/D038/D040/D041
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Harness Disconnection at BCU
Controller board loose or broken
Defective BCU
Defective i-controller
Check if the controller is firmly connected to the BCU.
Replace the BCU.
Replace the i-controller.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
Turn the main switch off and on.
Check the cable connection.
Replace the laser unit.
Replace the BCU board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective shift tray motor
Defective shift tray HP sensor.
4-42
Rev. 04/29/2011
SM Appendix