All codes
Service call
SC128
Scanner motor start error
BScanner / optics
Level B — stop, power-cycle may clear
First check
Bound carriage or dead motor. Move the carriage by hand with power off — it should glide.
What it means
Scanner motor failed to start within the allotted time.
Likely causes
- Mechanical bind
- Motor open
- Driver
On-site steps
Parts to have on the truck
- Scanner motor
- IOB / BICU
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.