How to Update Lulzbot Firmware?

This covers how to update the firmware for a Lulzbot 3D Printer. Having the latest firmware can increase performance and can introduce new features for the printer.

Download the latest CuraLE version from the Lulzbot Cura Support page.

Select the version of CuraLE that will work with your OS.


There may be more than one version available. This will normally be the current stable version and possibly an experimental version of CuraLE.

The experimental version will have new features that are being tested and developed for the slicer, and will also contain experimental firmware for the printers.

If an older version of the slicer needs to be installed, check the previous versions and releases.

Once the chosen software has been downloaded, install it to the preferred location.


Lulzbot Firmware Installation

After the installation of the CuraLE software, open the program and navigate to the monitor tab at the top. Make sure that the printer is powered on to update the firmware.

Make sure that the printer is connected to the PC with a USB cable. There maybe drivers that need to be installed for the hardware. Once the drivers have been installed, click connect and wait for the slicer to connect to the printer.

Once they have been connected, click on Firmware Update to proceed to install the firmware. An windows similar to the one below will open.

Before updating, Note Down:

  • For all machines:(Z-offset)
  • For TAZ Pro Platform: (Backlash Compensation)
  • For Legacy Machines (Mini 1, TAZ 6, etc): (E-Steps)

Here it states the firmware that will be flashed to the printer. In this case it is 2.1.3.0.27.

Once the information has been recorded to be re-entered into the printer, click on Update Firmware.

Another window will open showing the progress of the update. When complete the window can be closed.

The Lulzbot 3D Printer is now updated to the latest firmware.

Please make sure that the recorded settings are re-entered them into the printer or run the calibration again.