Service call indications

If there is an error that cannot be cleared by the user, the printer will show that a service call is needed by lighting up all the LEDs as shown below.
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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 remains after switching the printer back on, press the Go button and make a note of the LED's that remain lit and report the error status (as shown in the table below) to your dealer or Brother Customer Service.
LED indications while pressing the Go button
LEDs
Main PCB failure
Fuser unit failure1
Laser unit failure
Main motor failure
High voltage failure
Toner
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Graphic
Graphic
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Drum
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Graphic
Graphic
Graphic
Graphic
Error
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Graphic
Graphic
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Ready
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Graphic
Graphic
Graphic
Graphic
1
If this error occurs, turn off the printer power switch, wait a few seconds, and then turn it on again. Leave the printer for 10 minutes with the power on. If the error occurs again, call your dealer or Brother Customer Service.
For example, the LED indication below shows a fuser unit failure.
Graphic
Make a note of the indication, referring to the table on Service call indications, and report the error status to your dealer or Brother Customer Service.
Note Note
 
Make sure that the front cover is completely closed before you report a service call.