Brother HL 1240 - B/W Laser Printer Service Manual page 117

Error Message
FUSER MALFUNCTION
LASER BD
MALFUNCTION
SCANNER
MALFUNCTION
D-RAM ERROR
NV-RAM ERROR
MAIN MOTOR ERROR
ENGINE INTERFACE
ERROR
Turn the power switch off, wait a few seconds and then turn it on
again. Leave the printer for 10 minutes with power on.
If the same error occurs again, see
Turn the power switch off, wait a few seconds and then turn it on
again.
If the same error occurs again, see
Turn the power switch off, wait a few seconds and then turn it on
again.
If the same error occurs again, see
Turn the power switch off, wait a few seconds and then turn it on
again.
If the same error occurs again, see
error / NV-RAM error'.
Turn the power switch off, wait a few seconds and then turn it on
again.
If the same error occurs again, see
error / NV-RAM error'
Turn the power switch off, wait a few seconds and then turn it on
again.
If the same error occurs again, see
rotate'.
Turn the power switch off, wait a few seconds and then turn it on
again.
If the same error occurs again, see
6-7
CHAPTER 6 TROUBLESHOOTING
Remedy
'M-9 Fuser failure'.
'M-7 BD failure'.
'M-8 Scanner failure'.
'M-10 ROM error / D-RAM
'M-10 ROM error / D-RAM
'M-3 Main motor does not
'M-12 Engine interface error'.