All codes
Service call
SC852
IEEE 1284 / parallel I/F (older)
BController / HDD
Level B — stop, power-cycle may clear
First check
Legacy parallel. Disable the I/F if unused.
What it means
IEEE 1284 / parallel I/F (older). Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Legacy parallel. Disable the I/F if unused.
On-site steps
Parts to have on the truck
- I/F board
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.