Ricoh B230 Service Manual page 264

No. Type
Line position adjustment (MUSIC) error
Line position adjustment fails four consecutive times.
285 D
1.
2.
3.
4.
5.
6.
7.
B230/B237
Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
Do the recovery procedure for SC285 (see "Laser Optics Housing
Unit" in "Replacement & Adjustment").
Check and reinstall the image transfer belt unit and PCUs.
Check if each toner bottle has enough toner.
Replace the ID sensor.
Replace the image transfer belt unit.
Replace the PCU(s).
Replace the laser optics housing unit.
4-24 SM