Ricoh D104 Field Service Manual page 575

No. Type
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
203 D
• Defective polygon motor
1. Check or replace the harness.
2. Replace the polygon motor.
3. Replace the IPU board.
4. Replace the BCU.
No. Type
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
204 D
• Defective polygon motor driver board
1. Check or replace the harness.
2. Replace the polygon motor.
3. Replace the IPU board.
4. Replace the BCU.
No. Type
220 D Laser synchronizing detection error: start position [K]: LD1
222 D Laser synchronizing detection error: start position [Y]: LD1
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
6
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