Brother Printer Error Code E51: How to Fix It

Medium 30-45 minutes High Severity Verified June 2026
Error Code
E51
Brand
Brother
Product Type
printer
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
30-45 minutes
Brother printer error code E51 indicates a print engine fault that requires immediate attention. This error typically occurs when the printer's internal print engine encounters a mechanical or electrical problem. The good news is that many E51 errors can be resolved with simple power cycling and basic troubleshooting steps.
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Tools You'll Need

How to Fix Error Code E51

  1. Power cycle the printer

    Always unplug the printer before performing any maintenance to avoid electrical shock.
  2. Check for paper jams

    Do not force stuck paper out - gently work it free to avoid damaging internal components.
  3. Clean the paper path

    Ensure the printer is unplugged and completely dry before plugging back in.
  4. Reseat the toner or ink cartridges

  5. Check internal connections

    Only handle connections that are easily accessible - do not disassemble internal components.
  6. Reset printer to factory settings

    Factory reset will erase all custom settings including WiFi passwords and user preferences.
  7. Update printer firmware

    Do not interrupt the firmware update process as this could permanently damage the printer.

Parts You May Need

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Paper feed roller kit
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Replacement toner cartridge
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Paper feed roller kit
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When to Call a Professional

Contact Brother support or a certified repair technician if the E51 error persists after trying all troubleshooting steps, if you notice unusual noises from the print engine, or if the printer displays multiple error codes simultaneously. Professional service is also recommended if internal components appear damaged or if you're uncomfortable performing the troubleshooting steps.

Frequently Asked Questions

What causes Brother printer error code E51?
Error E51 is caused by a print engine fault, typically due to paper jams, dirty sensors, loose internal connections, firmware bugs, or mechanical wear in the print engine components.
Can I continue printing with error code E51?
No, you cannot print when error E51 is displayed. The printer will refuse all print jobs until the print engine fault is resolved and the error is cleared.
How do I prevent Brother printer error E51?
Prevent E51 errors by using high-quality paper, keeping the printer clean, updating firmware regularly, avoiding overloading paper trays, and performing regular maintenance as recommended in your printer manual.
Is Brother printer error E51 covered under warranty?
Error E51 may be covered under warranty if caused by manufacturing defects or component failure. Check your warranty status on Brother's website and contact support if your printer is still under warranty.
Will error E51 damage my Brother printer permanently?
Error E51 itself won't damage your printer - it's a protective feature. However, ignoring the underlying cause (like forced paper removal or continuing to use a malfunctioning printer) could potentially cause permanent damage.