Brother HL-5450DNT - Manual (Page 85)

79
General Information
3
Service call indications
3
If there is an error that cannot be cleared by the user, the machine will show that a service call is needed by
lighting up all the LEDs as shown below.
If you see the service call indication shown above, turn off the power switch, and then turn it back on and try
to print again.
If the error is not cleared after turning the power switch off and then back on, press Go and Cancel together,
the LEDs will light up as shown in the following table to identify the error.
LED error indication
3
1 If this error occurs, turn off the machine's power switch, wait a few seconds, and then turn it on again. Leave the machine for approx. 15 minutes
with the power on. If the error occurs again, call your dealer or Brother Customer Service.
LEDs Main PCB
failure
Fuser unit
failure
1
Laser unit
failure
Main motor
failure
High
voltage
failure
FAN failure Zero Cross
error
Back Cover
Toner
Drum
Paper
Error
Ready