Ricoh G133 Service Manual page 267

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
1. Turn the main power switch off and on.
2. If the error occurs again, replace the IOB and/or the IH inverter.
No. Type 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
690 D
Defective EGB
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 EGB.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
721 B Jogger motor error
Jogger HP sensor does not detect the jogger fence for 2000ms
after the jogger unit has moved to its home position.
Jogger HP sensor does not turn off 300 ms after the jogger unit has
moved from its home position. The 1st detection failure issues a
jam error, and the 2nd failure issues this SC code.
Defective jogger HP sensor
Overload on the jogger motor
Defective jogger motor
Defective main board
Disconnected or defective harness
SM 4-51
SC Table
G133