Ricoh Aficio SP C440DN Field Service Manual page 567

No. Type
203 D Polygon motor error 2: OFF timeout
The polygon mirror motor does leave the READY status within 3 seconds after the
polygon motor switches off.
• Disconnected or defective harness to polygon motor driver board
• Defective polygon motor driver board
• Defective polygon motor
1. Check or replace the harness.
2. Replace the laser unit.
3. Replace the controller.
4. Replace the BCU.
No. Type
204 D Polygon motor error 3: XSCRDY signal error
The polygon ready (SCRDY_N) signal goes HIGH (inactive) while the laser diode
is firing.
• Disconnected or defective harness to polygon motor driver board
• Defective polygon motor
• Defective polygon motor driver board
1. Check or replace the harness.
2. Replace the laser unit.
3. Replace the controller.
4. Replace the BCU.
No. Type
220 D Laser synchronizing detection error: start position [K]: LD1
-001
222 D Laser synchronizing detection error: start position [Y]: LD1
-004
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
565