Sc3Xx: Image Processing - 1 - Ricoh D037 Service Manual

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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 unit.
3. Replace the BCU.
No. Type 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)
285 D
Defective laser unit
1. Check and reinstall the image transfer belt unit and PCDU(s).
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 unit.
4.1.4 SC3XX: IMAGE PROCESSING – 1
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
300 D AC charge output error [K]
301 D AC charge output error [M]
302 D AC charge output error [C]
SM Appendix 4-13
SC Tables
D037/D038/D040/D041