Service Call Tables - 3 - Ricoh D143 Field Service Manual

6. Troubleshooting
No. Type
285 D

Service Call Tables - 3

SC3xx: Image Processing – 1
No. Type
312
D
-01
-02 D
-03 D
-04 D
794
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: C
Charge P.P. output error: M
Charge P.P. output error: Y