Sc3Xx: Image Processing - 1 - Ricoh M022 Service Manual

6. Troubleshooting
No. Type
- -
No. Type
6
285 D
SC3xx: Image Processing – 1
No. Type
312 D
313 D
314 D
654
CÓPIA NÃO CONTROLADA
Details (Symptom, Possible Cause, Troubleshooting Procedures)
The BCU 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 BCU.
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 PCDU(s)
• Defective laser optics housing unit
1. Check and reinstall the image transfer belt unit and PCDUs.
2. Check if each toner bottle has enough toner.
3. Replace the ID sensor.
4. Replace the image transfer belt unit.
5. Replace the PCDU(s).
6. Replace the laser optics housing unit.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Charge P.P. output error [K]
Charge P.P. output error [M]
Charge P.P. output error [C]
CÓPIA NÃO CONTROLADA