Ricoh G133 Service Manual page 230

SC Table
No. Type
1.
2.
3.
No. Type
220 D Laser synchronizing detection error: start position [K]: LD0
221 D Laser synchronizing detection error: start position [K]: LD1
222 D Laser synchronizing detection error: start position [Y]: LD0
223 D Laser synchronizing detection error: start position [Y]: LD1
224 D Laser synchronizing detection error: start position [M]: LD0
225 D Laser synchronizing detection error: start position [M]: LD1
226 D Laser synchronizing detection error: start position [C]: LD0
227 D Laser synchronizing detection error: start position [C]: LD1
The laser synchronizing detection signal for the start position of the
LDB [K], [Y], [M], [C] is not output for two seconds after LDB unit turns
on while the polygon motor is rotating normally.
- -
1.
2.
3.
4.
No. Type
G133
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Replace the harness of the LD board.
Replace the laser optics housing unit.
Replace the EGB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Disconnected cable from the laser synchronizing detection unit or
defective connection
Defective laser synchronizing detector
Defective LDB
Defective EGB
Check the connectors.
Replace the laser-synchronizing detector.
Replace the LDB.
Replace the EGB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
4-14 SM