All codes
Service call
SC107
Scanner lamp regulator
BScanner / optics
Level B — stop, power-cycle may clear
First check
Same as SC101 — confirm lamp lights, then replace the regulator/LED driver board.
What it means
Lamp regulator / LED driver failed to stabilize during shading.
Likely causes
- Lamp regulator defective
- Unstable 24 V from PSU
- Lamp aging
On-site steps
Parts to have on the truck
- Lamp regulator / LED driver
- PSU
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.