First check
QL not lighting (older drums with a quench lamp). Lamp or harness.
What it means
Quenching lamp error. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Uncommon on IM C (LED quench). Aficio-era.
Likely causes
- QL not lighting (older drums with a quench lamp). Lamp or harness.
On-site steps
Parts to have on the truck
- Quenching lamp
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.