How to Resolve Error E51?

 Posted by Johnny on December 29, 2017

This error tells the laser unit of Brother Printer has been malfunctioned. This unit is an important part as it writes the information on the drum surface so that your device could easily read it in its own binary language. If it is being undetectable, then follow the steps and fix it.


  • Cut out the power supply, wait for some time, and then turn back it on.
  • See the error should be fixed now; if not then follow the above steps again.
  • If the error still persists, then maybe the safety flap is defective, in that case, this unit needs to be replaced.

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