The E80 error on a Brother embroidery machine typically indicates a communication error between the machine and the computer or USB device. Here are some possible causes and solutions:
- Check the USB cable: Make sure the USB cable is securely connected to both the machine and the computer. Try a different cable if necessary.
- Check the USB port: Ensure that the USB port on the machine and computer are functioning properly. Try a different USB port if possible.
- Check the design file: The design file you are trying to transfer to the machine may be corrupted or too large. Try transferring a different file or reducing the size of the design.
- Check the machine settings: Verify that the machine is set to the correct USB mode (such as USB1 or USB2). Refer to your machine’s user manual for instructions on how to change the USB mode.
- Update machine software: Check if there is any available update for your embroidery machine software. Update it to the latest version and see if it resolves the issue.
If none of the above solutions work, it may be necessary to contact Brother customer service for further assistance.



