Project Dashboard Accessories and Upgrades LulzBot TAZ Pro BL Touch Installation Workflow

1 Before You Start

Make sure you LulzBot TAZ Pro S is turned off and unplugged.

Materials Needed

  • 2.5mm Hex Key
  • BL Touch Adaptor Mount with Harness
  • Bag containing 3 screws and 2 washers
Turn the printer off
Unplug the printer's power cord
Gather the materials from the BL Touch Adaptor Kit

2 Remove the X carriage cover

Use the 2.5mm hex key to remove the screw holding the X carriage cover in place.

Then remove the cover and set it a side.

Remove the screw holding the X carriage cover in place

3 Disconnect the Tool Head Harness

Remove the feed tube from the tool head by pressing down on the black ring and pulling the feed tube up.

Then disconnect the Tool Head Harness from the printer by pressing down on the locking clip and pulling the two ends of the harness apart.

Remove the feed tube
Disconnect the tool head harness by pressing down on the locking clip

4 Carefully Remove the Tool Head

While removing the tool head make sure to support the bottom of the tool head, if it is not support the tool head could fall and cause damage

Use the 2.5mm Hex key to remove the rear tool head screw

While holding the bottom of the tool head, remove the two top tool head screws, then set the tool head to the side.

Remove the rear tool head screw
While holding the tool head remove the top two screws
Remove the tool head from the printer

5 Install the BL Touch Adaptor Mount

Align the BL Touch adaptor mount with the X carriage making sure the brass inserts align with the holes on the X carriage.

Then find the long screw from the bag of hardware that came with the BL Touch adaptor kit and remove the washer from the previous rear screw.

Push the longer screw and washer through the rear hole to secure the BL Touch adaptor mount to the X carriage. This is done before the two top screws to ensure the holes are aligned and will be used later to secure the tool head

Then reuse the two shorter screws with washers to install the BL Touch adaptor mount.

Align the BL Touch adaptor mount with the X carriage
Remove the washer from the old rear screw and place it on the new rear screw
Slide the new rear screw through the X carriage and BL Touch adaptor mount
Make sure the rear screw is all the way through the adaptor mount
The reuse the two top screws to secure the adaptor mount to the X carriage

6 Connect the BL Touch Harness

Find the connector that has the black and white wires connected to it.

Then connect this wire to the right side of the X carriage board.

Take the other connector that has three wires and connect it to the top port on the right side of the board.

Make sure both connectors are in the correct ports and are secure.

Connect the black and white wire to the board on the backside of the X carriage
Connect the red, brown, and yellow wire to the board above the black and white wire
Make sure the wires are connected correctly

7 Install the Tool Head

Reconnect the tool head to the printer. Use the two short screws and washers that are in the bag of hardware to secure the top of the tool head.

Align the brass insert on the backside of the tool head with the rear screw
Fasten the tool head to the X carriage
Use the screws and washers from the bag of hardware to secure the top of the tool head
Secure the top of the tool head

8 Connect the Tool Head

Connect the tool head harness to the printer, when connecting the harnesses you should hear or feel a click.

Connect the tool head to the printer

9 Install the X carriage cover

Before fastening the X carriage cover to the X carriage, make sure the tool head harness is properly seated inside.

Take the braid of the tool head harness and slide it through the channel on the front side of the X carriage cover.

Then find where the two harnesses are connected and make sure that is place inside the cover so that is won't be pinched when the cover is installed.

Then fasten the X carriage cover to the X carriage while watching the harnesses for pinching.

Slide the wire braid through the side channel on the X carriage cover
Make sure the two harness connectors are place inside the cover
Fasten the X carriage cover to the X carriage

10 Check Firmware

Make sure to update your printer's firmware to use the BL Touch bed leveling feature!

Done! Take me home