Sc3Xx: Image Processing - 1 - Ricoh MPC 2800 AT-C2 Mode D'emploi

3. Appendix: Service Call Conditions
No. Type
242 C
243 C
3
- -
No. Type
285 D
SC3xx: Image Processing – 1
No. Type
300 D
52
Details (Symptom, Possible Cause, Troubleshooting Procedures)
LD error: M
LD error: C
The BICU detects LDB error a few times consecutively when LDB unit turns on after
LDB initialization.
• Worn-out LD
• Disconnected or broken harness of the LD
1. Replace the harness of the LD.
2. Replace the laser optics housing unit.
3. Replace the BICU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Line position adjustment (MUSIC) error
Line position adjustment fails four consecutive times.
• Pattern sampling error ( insufficient image density )
• Defective ID sensors for the line position adjustment
• Defective image transfer belt unit
• Defective PCU(s)
• Defective laser optics housing unit
1. Check and reinstall the image transfer belt unit and PCUs.
2. Check if each toner bottle has enough toner.
3. Replace the ID sensor.
4. Replace the image transfer belt unit.
5. Replace the PCU(s).
6. Replace the laser optics housing unit.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
AC charge output error [K]