All codes
Service call
SC520
Duplex jogger / tray error
BPaper path
Level B — stop, power-cycle may clear
First check
Reseat the duplex unit. Confirm joggers move on a duplex job.
What it means
Duplex jogger HP or a tray module error. Duplex unit not seated is a classic.
Likely causes
- Duplex not seated
- Jogger HP
- Jogger motor
On-site steps
Parts to have on the truck
- Duplex unit
- Jogger motor
- HP sensor
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.