All codes
Service call
SC350
ID sensor error
BPCU / developerCommon field call
Level B — stop, power-cycle may clear
First check
Clean the ID sensor window on the transfer belt path. Toner film is the usual cause.
What it means
Image density sensor (ID / MUSIC) failed its self-check — dirty, unplugged, or dead.
Likely causes
- Dirty ID sensor
- Sensor unplugged after belt pull
- Sensor failed
On-site steps
Parts to have on the truck
- ID sensor
- Image transfer belt
Related procedures
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.