Project Dashboard Accessories and Upgrades Mini 2 Universal Tool Head Installation Workflow

1 Getting Started

Follow the instructions below to quickly install your new Universal Tool Head on a LulzBot 3D Printer.

Installed HS+ 1.2mm Hardened Steel Tool Head

2 Included Materials

Included materials vary depending on tool head. See the links below for materials included with each compatible tool head.

LulzBot Universal Tool Heads

3 Additional Items Required

Additional Items Required

  • 2 mm Driver
  • 2.5 mm Driver
  • USB cable, included with your LulzBot Mini 2
  • GNU/Linux/Windows/Mac-based computer
Additional Items Needed

4 Power off your 3D printer

Power down


Power off and unplug

5 Remove Connector Cover

5A Remove screws

5B Lift cover

Locate screws on cover
Cover removed

6 Disconnect Tool Head

Depress the retaining tab on the connector housing and gently wiggle the connector free. Do not pull on the wires, only the connector housing.

Locate connector
Tool head disconnected

7 Remove Tool Head

The tool head is attached with three screws. The print surface can be damaged if the tool head is allowed to fall onto the print surface. With one hand, support the tool head while following removal steps below.

Using the 2.5mm hex key, unscrew the three M5 screws securing the tool head to the X-axis carriage. Remove the rear screw first, followed by the remaining top two screws.

Remove the tool head from the printer by moving the tool head away from the printer.

Back screw
Top screws

8 Mount Universal Tool Head

Press the tool head onto the X-axis carriage, aligning the cutouts on the back of the new tool head. Do not pinch any wires between the mount and the carriage.

Secure it to the X-axis carriage by loosely screwing in the top two screws. Leave the top two screws loose.

Loosely screw in the last screw through the rear of the X-axis carriage.

Tighten the top two screws.

Tighten the rear screw.

Properly align tool head
Properly aligned tool head

9 Plug in tool head

Connect the two connectors, making sure to fully seat the connectors until they lock.

Locate connector
Properly connected

10 Install Cover

Cover the connector with the connector cover and attach it to the X-axis carriage using the three M3 screws and the 2.5 mm hex key.

Channel the wires together going to down the vertical pathway on the cover mount, and try not to pinch any of the wires when securing the cover. Slide down carefully into place, and hold while screwing in.

Note: The cover may not fit on certain tool heads such as the M175 v2.

Install cover

11 Install or update Cura LE

Install the latest version of Cura LulzBot Edition. It is important to have the LulzBot Edition of Cura, as it has preset machine configuration profiles built into it.

Go here to install

Plug in your LulzBot 3D printer to the power supply and power on your 3D printer.

Once powered on, connect your 3D printer to your computer using the USB cable.

Open Cura LulzBot Edition.

Install Cura

12 Set up new tool head

In the top right-hand menu for Cura LE, Select the Settings drop-down arrow > Printer > Add Printer

Select LulzBot Mini 2, HS+ | 1.2 mm, and click Add Printer.

(if you are using a different tool head, select the corresponding option)

Select Finish.

Add Printer to Cura
Select tool head
Select Finish

13 Update Firmware

From the drop-down menu at the top right-hand side of Cura LE, Select Manage Printers.

Confirm that the LulzBot Mini 2 | HS+ | 1.2 mm is selected, and click Upgrade Firmware.

(if you are using a different tool head, confirm the corresponding option)

Select Automatically Update Firmware. The Update EEPROM checkbox should be checked by default. Close any dialog windows after the firmware has been updated.

Update default firmware

14 Select tool head on printer LCD

Navigate to the first menu screen on your printers LCD and select the Tool Heads menu.

Scroll down until you find the correct tool head that corresponds with the tool head installed on your printer and select it.

Locate tool head menu
Select the correct tool head

15 Load Filament

Filament Loading Tip: Cutting the filament at an angle will help with inserting into the extruder.

Load the sample filament into the extruder. Squeeze the idler arm inward and insert the filament into the extruder filament guide.

Extrude filament until you see the filament extruding from the nozzle

Level the X-axis by clicking the Level X Axis button

Cut filament at an angle
Squeeze arm to insert
Leveling will cause a grinding noise which is normal

16 First Print!

You've now finished installation and are ready to start printing! Try performing a test print, such as the Rock2pus.

If you encounter issues please contact Technical Support by emailing, or by calling +1-701-809-0800.

Try out the Rock2pus for your first print!
Done! Take me home