Ricoh Aficio MP C2050 Service Manual

SC Tables
D037/D038/D040/D041 4-8 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
1. Reinstall the copy data security board.
2. Replace the copy data security board.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Serial Number Mismatch
 Serial number stored in the memory does not have the correct
code.
 NVRAM defective
 BCU replaced without original NVRAM
195 D
1. Check the serial number with SP5-811-002.
2. If the stored serial number is incorrect, contact your supervisor.
4.1.3 SC 2XX: EXPOSURE
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Polygon motor error 1: ON timeout
The polygon mirror motor does not reach the targeted operating speed
within the specified time after turning on or changing speed
 Defective or disconnected harness to polygon motor driver board
 Defective polygon motor driver board
 Defective polygon motor.
202 D
1. Replace the polygon motor.
2. Replace the laser unit.
3. Replace the harness.
4. Replace the BCU.

Ricoh Aficio MP C2050 Specifications