Ricoh D027 Service Manual page 15

SC Tables
No. Type
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: 2.5V) ± 0.2V
- -
1.
2.
No. Type
380 C
381 C
382 C
383 C
Dirty or
defectiv
e drum
gear
position
sensor
1. Replace
the
drum
gear
D027/D029 APPENDICES
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)
Drum gear position sensor error: K
Drum gear position sensor error: M
Drum gear position sensor error: C
Drum gear position sensor error: Y
The machine does not detect the drum position signal for 3
seconds at the drum phase adjustment.
3-18 SM