All codes
Service call
SC681
Toner CRUM / ID chip error
BCommunications
Level B — stop, power-cycle may clear
First check
Bottle chip not reading. Reseat the bottle, clean contacts, try a known-good bottle. Subcodes 01–39 are color/slot.
What it means
Toner CRUM / ID chip error. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Bottle chip not reading. Reseat the bottle, clean contacts, try a known-good bottle. Subcodes 01–39 are color/slot.
On-site steps
Parts to have on the truck
- Toner bottle
- CRUM contact
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.