Ricoh D025 - Page 463

SC Tables
SM Appendix 3-11 D023/D025
Appendix
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
 Defective polygon motor
 Defective polygon motor driver board
204 D
1. Check or replace the harness.
2. Replace the polygon motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
210 C Laser synchronizing detection error: end position [K]
211 C Laser synchronizing detection error: end position [Y]
212 C Laser synchronizing detection error: end position [M]
213 C Laser synchronizing detection error: end position [C]
The laser synchronizing detection signal for the end position of LDB [K],
[Y], [M], [C] is not detected for one second after the LDB unit turned on
when detecting the main scan magnification.
 Disconnected or defective harness to synchronizing detector for
end position
 Defective synchronizing detector board
 Defective LD board or driver
 Defective BICU
- -
1. Replace the harness of the LD board.
2. Replace the laser optics housing unit.
3. Replace the BICU.