Ricoh D143 Field Service Manual page 793

No. Type
221
D Laser synchronizing detection error: start position [K]: LD2
-01
-02 D Laser synchronizing detection error: start position [C]: LD2
-03 D Laser synchronizing detection error: start position [M]: LD2
-04 D Laser synchronizing detection error: start position [Y]: LD2
The laser synchronizing detection signal for the start position of the LDB [K], [C],
[M], [Y] is not output for two seconds after LDB unit turns on while the polygon
motor is rotating normally.
• Disconnected cable from the laser synchronizing detection unit or defective
connection
• Defective laser synchronizing detector
• Defective LDB
• Defective IPU
1. Check the connectors.
2. Replace the laser-synchronizing detector.
3. Replace the LDB.
4. Replace the IPU.
No. Type
230
D FGATE ON error: K
-01
-02 D FGATE ON error: C
-03 D FGATE ON error: M
-04 D FGATE ON error: Y
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call
791