Ricoh M065 - Page 314

SC Tables
M065/M066 3-4 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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 Details (Symptom, Possible Cause, Troubleshooting Procedures)
220 D Laser synchronizing detection error: start position [K]: LD1
222 D Laser synchronizing detection error: start position [Y]: LD1
- -
The laser synchronizing detection signal for the start position of the
LDB [K], [Y], is not output for two seconds after laser 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 unit.
3. Replace the controller.
4. Replace the BCU.