Ricoh Aficio SP C440DN Field Service Manual page 577

No. Type
- - The machine detects a High signal from the drum/development motor: K for 2
seconds after the drum/development motor: K turned on.
• Overload on the drum/development motor: K
• Defective drum/development motor: K
• Defective harness
• Shorted 24 V fuse on the PSU
• Defective interlock system
1. Check or replace the harness.
2. Check if torque output value for drum/development motor is proper if not
replace the unit.
3. Replace the drum/development motor: K.
4. Replace the 24V fuse on the PSU.
No. Type
397 D Drum motor error: CMY
- - The machine detects a High signal from the drum motor: CMY for 2 seconds after
the drum motor: CMY turned on.
• Overload on the drum motor: CMY
• Defective drum motor: CMY
• Defective harness
• Shorted 24 V fuse on the PSU
• Defective interlock system
1. Check or replace the harness.
2. Check if torque output value for drum motor is proper if not replace the unit.
3. Replace the drum motor: CMY.
4. Replace the 24V fuse on the PSU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
575