All codes
Service call
SC401
Transfer output abnormal
BTransfer / HV
Level B — stop, power-cycle may clear
First check
Reseat the image transfer belt. Inspect the HV pick-up and the belt for holes / moisture.
What it means
Image transfer bias out of range. Belt, HVPS, or a leak to the ITB frame.
Likely causes
- ITB not seated
- HVPS
- Belt pin-hole
- Damp belt
On-site steps
Parts to have on the truck
- Image transfer belt unit
- HVPS
Related codes
Confirm the subcode and part number in the FSM for this serial. Raicoh is a field companion, not a replacement for the book.