Error code

Brother E51

BROTHERE51
Printer Error Code· An error or status code shown on a printer's display or its software.

What it means

A laser diode error has occurred.

How to fix it

  1. Turn the printer off for five minutes and turn it back on.
  2. If the error persists the laser unit needs replacement by a service technician.

Not affiliated with Brother. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.