Brother Printer Error Code 50 — What It Means & How to Fix It

What Does This Error Mean?

Brother error 50 is a general machine error that means something has gone wrong internally. The printer has detected a problem with its fuser, motor, or another critical component. This is a serious error that usually requires more than just a simple restart to fix.

Affected Models

Brother HL-L2350DW
Brother HL-L2390DW
Brother MFC-L2710DW
Brother MFC-L2750DW
Brother DCP-L2550DW

Common Causes

The fuser unit has overheated or failed — the fuser is the part that melts toner onto paper
The main motor inside the printer is jammed or not spinning correctly
A power surge or unstable power supply damaged an internal component
The printer's internal circuit board has a fault
A paper jam that was not fully cleared has caused a mechanical blockage

How to Fix It

Turn off the printer and unplug it from the wall outlet. Wait at least 15 minutes for the fuser to cool down.

The fuser gets extremely hot during printing. Let it cool before touching anything inside the printer.
Open the front and back covers. Look for any jammed paper, debris, or foreign objects inside the printer.

A leftover paper jam is a common cause of error 50. Remove anything you find carefully.
Remove the toner cartridge and drum unit assembly. Check that nothing is blocking the rollers or gears visible inside the printer.

Look for small pieces of torn paper, labels, or tape that may have gotten caught.
Plug the printer into a different power outlet — preferably one that is not on a power strip or surge protector.

Power fluctuations can cause error 50. A direct wall outlet provides the most stable power.
Reinstall the toner and drum, close all covers, and turn the printer on. If the error clears, print a test page.

If the error returns immediately, the fuser or motor is likely the problem and needs professional service.

When to Call a Professional

Error 50 is one of the more serious Brother errors. If the steps below do not fix it, the fuser or motor likely needs replacement. Fuser replacements cost $40 to $80 for the part. A professional repair with labor typically costs $80 to $150. For budget printers, replacement may be cheaper than repair.

Frequently Asked Questions

What is a fuser and why does it fail?

The fuser is a pair of heated rollers inside the printer. It melts the toner powder onto the paper so the image is permanent. Fusers fail because the heating element wears out over time — it is a normal wear part.

Is error 50 the same as error 50.x on HP printers?

No, Brother and HP use different error code systems. Brother error 50 is a general machine error. HP error 50 is specifically a fuser error. They may have similar causes, but they are separate systems.

Can error 50 be caused by a power surge?

Yes, power surges can damage the printer's circuit board or fuser. Using a quality surge protector can help prevent this. If a power surge caused the error, unplugging and waiting 15 minutes sometimes allows the electronics to reset.