Ricoh D025 - Page 472

SC Tables
D023/D025 3-20 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
380 C Drum gear position sensor error: K
381 C Drum gear position sensor error: M
382 C Drum gear position sensor error: C
383 C Drum gear position sensor error: Y
The machine does not detect the drum position signal for 3 seconds at
the drum phase adjustment.
 Dirty or defective drum gear position sensor
1. Replace the drum gear position sensor.
2. Replace the PCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
396 D Drum/Development motor error: K
397 D Drum/Development motor error: M
398 D Drum/Development motor error: C
399 D Drum/Development motor error: Y
The machine detects a High signal from the drum/development motor
for 2 seconds after the drum/development motor turned on.
 Overload on the drum/development motor
 Defective drum/development motor
 Defective harness
 Shorted 24 V fuse on the PSU
 Defective interlock system
- -
1. Check or replace the harness.
2. Replace the drum/development motor.
3. Replace the 24V fuse on the PSU.