Ricoh Aficio MP C2050 Service Manual

SC Tables
SM Appendix 4-9 D037/D038/D040/D041
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
203 D
1. Check or replace the harness.
2. Replace the polygon motor.
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)
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.
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Ricoh Aficio MP C2050 Specifications