Ricoh MP C3004 Field Service Manual page 896

6. Troubleshooting
SC No.
SC442-00
888
Level Error Name/Error Condition/Major Cause/Solution
D ITB Lift Error
Even though the ITB lift motor (also Toner supply motor (M)) rotates, the
ITB lift sensor failed to detect the specified sensor feeler status within
specified time.
• Contact/separation operation: If not detected in 2000msec
• Home position operation: If not detected in 5000msec
Signal detection sampling period: 10msec
• Image transfer unit not set/faulty setting
• Sensor dirt
• Sensor defective
• Motor defective
• Unit load large
1. Reset the Image transfer unit properly.
2. Clean the ITB lift sensor
3. Check the harness (disconnected, loose connectors)
4. Replace the ITB lift sensor
5. Replace the image transfer unit
6. Replace the contact/separation drive unit