Ricoh B230 Service Manual page 272

No. Type
372 D TD sensor adjustment error: K
373 D TD sensor adjustment error: M
374 D TD sensor adjustment error: C
375 D TD sensor adjustment error: Y
During TD sensor initialization, the output value of the black, magenta,
cyan, or yellow TD sensor is not within the range of the specified value
with SP3238-001 to -004 (default: 2.7V) ± 0.2V
1.
2.
No. Type
Drum gear position sensor error
The machine does not detect the drum position signal for three second
at the drum phase adjustment.
380 C
1.
2.
B230/B237
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heat seal not removed from a new developer pack
TD harness sensor disconnected, loose or defective
TD sensor defective
Harness between TD sensor and drawer disconnected, defective
Remove the heat seal from each PCU.
Replace the defective PCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Dirty or defective drum gear position sensor
Replace the drum gear position sensor.
Replace the PCU.
4-32 SM