Ricoh M022 Service Manual page 653

No. Type
Polygon motor error 3: XSCRDY signal error
The SCRDY_N signal goes HIGH (inactive) while the laser diode is firing.
• Disconnected or defective harness to polygon motor driver board
204 D
• Defective polygon motor
• Defective polygon motor driver board
1. Check or replace the harness.
2. Replace the polygon motor.
No. Type
220 D Laser synchronizing detection error: start position [K]: LD0
222 D Laser synchronizing detection error: start position [Y]: LD0
The laser synchronizing detection signal for the start position of the LDB [K], [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 BCU
1. Check the connectors.
2. Replace the laser-synchronizing detector.
3. Replace the LDB.
4. Replace the BCU.
CÓPIA NÃO CONTROLADA
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
CÓPIA NÃO CONTROLADA
SC Tables
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