First check
Unplug. Do not reset until the cause is found.
What it means
Pressure roller over-temp. Same seriousness as 543.
Likely causes
- Heater drive
- Thermistor
- PSU
On-site steps
Parts to have on the truck
- PSU
- Fusing unit
- IOB
SP / reset
SP5-810-001
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.