All codes
Service call
SC125
Scanner motor speed error 1
BScanner / optics
Level B — stop, power-cycle may clear
First check
Carriage speed out of spec. Encoder disc dirty, belt slipping, or motor.
What it means
Scanner motor speed error 1. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Carriage speed out of spec. Encoder disc dirty, belt slipping, or motor.
On-site steps
Parts to have on the truck
- Scanner motor
- Timing belt
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.