Ricoh D117 Service Manual page 374

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
MUSIC error
Line position adjustment fails four consecutive times.
Pattern sampling error (insufficient image density)

Defective TM sensors

Defective image transfer belt unit

Defective PCDU(s)

285 D
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 TM sensor.
4. Replace the image transfer belt unit.
5. Replace the PCDU(s).
6. Replace the laser optics housing unit.
SM 6-13
SC Tables
D117/D118