Brother HL-1850 Service Manual page 191

Error Messages Meaning
ERROR S01
Instruction access error
ERROR S02
Memory address not
ERROR S03
aligned
Instruction bus error
ERROR S04
Data bus error
ERROR S05
Privileged instruction
ERROR S06
ERROR S07
Illegal instruction
ERROR S08
No fpu
ERROR S09
ERROR S10
ERROR S11
ERROR S12
ERROR S13
Unknown operator call
ERROR S21
detected
Error in communication
ERROR E41
with the engine controller
Remedy
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
Turn off the printer. Wait a few seconds,
then turn it on again. Refer to
error' in this chapter.
6-7
HL-1850/1870N SERVICE MANUAL
M-12 'E41