⬢T10 Torx key

⬢2.5 mm Allen key

⬢4.0 mm Allen key

⬢A cardboard box is to be used as heatbed protection during the setup. Hint: you can use the Nextruder box shipped with your printer.

⬢Carefully turn the printer so that the front side is facing you.

⬢From the front of the printer, place the xLCD assembly close to the lower front aluminum extrusion where are the xLCD cables.

⬢Connect the xLCD cable to the slot on the xLCD board.

⬢Connect the earthing cable and connect it to the PE connector on the xLCD.

⬢Push the earthing connector fully into the PE faston.

⬢Align the xLCD assembly with the profile nuts (M3nEs) in the front aluminum extrusion.

⬢Insert and tighten the M3x16 screw from the left side of the xLCD.

⬢Insert and tighten the M3x16 screw from the right side of the xLCD.

In the following steps, we will work with tools and install extruder above the heatbed, it is recommended to protect it against any possible damage. An empty Nextruder box can serve this purpose.

⬢Place the empty cardboard box approximately to the front center part of the heatbed.

⬢Manually move the X-axis assembly all the way to the front side of the printer.

⬢Manually move the X-carriage approximately to the center of the X-axis.

⬢The latest assemblies come with the nozzle seal pre-installed on the extruder dock. To confirm this, examine one of the extruder docks closely and compare it to the picture to see if the nozzle seal is already in place with the square nut. If not, continue with the text below.

If you didn't find the nut, there is a spare in the Nozzle Seal Assembly package.

⬢Carefully rotate the printer 180° so that the PSU (Power Supply Unit) side is facing you.

⬢Locate the long metal profile (tch-mounting-insert) with five M3 holes inside the rear aluminum extrusion.

⬢We'll use all M3 holes in the metal profile.

⬢There is a screw in the long metal profile which is fixing the part during the transport. Keep the screw in the metal profile for now.

⬢Take the cable bundle.

⬢Place the xl-dock-cable-router on the bottom metal sheet below the aluminum extrusion.

⬢There is a protruding screw from the xl-dock-cable-router. Attach the screw to the first M3 hole in the long metal profile (tch-mounting-insert). Through the hole in the rear metal sheet, check if the cable holder is lined up with the hole.

⬢Push the 2.5 mm Allen key all the way through the hole in the rear metal sheet until you reach the middle screw in the xl-dock-cable-router and tighten the screw.

At this point you should have already installed two docks.

⬢Locate the M3 screw in the metal insert.

⬢Using a 2.5mm Allen key, remove the screw from the metal insert.

⬢Attach the third, fourth and fifth dock the same way as a first dock.

⬢The attached docks have to look like in the picture

⬢Good job!

⬢The following instructions are intended only for printers without pre-installed nozzle seals. If you have already installed the nozzle seals on the nextuder docks, go to Wi-Fi antenna holder versions.

⬢Insert the M3x30 screw into each nozzle seal.

⬢Slide the spring on each nozzle seal.

The current nozzle seal position is temporary, the exact height will be set in the next chapter once all the Nextruder parts are mounted.

⬢The docks have a hole for a nozzle seal.

⬢Insert the nozzle seal (with the spring) into the dock.

⬢Using a 2.5 mm Allen key, tighten the screw so that the head of the screw is 1 mm above the dock.

⬢Good! The first dock is ready.

XL printers feature two distinct Wi-Fi antenna mounts: one located on the side and the other on the rear side of the printer. Before proceeding, carefully examine your printer to identify the type of mount it has.

⬢Begin by verifying that the Wi-Fi mount is pre-installed on the side:

⬢If the Wi-Fi mount is not pre-installed on the side:

⬢Locate the xl-rear-cable-management-plug (cover) on the rear of the printer.

⬢Loosen two screws on the cover slightly. No need to remove them completely. Push the cover to the right and remove it from the printer.

⬢Connect the first dock (from the right side) cable to the upper slot labeled DWARF 1.

⬢Connect the second dock (from the right side) cable to the lower slot labeled DWARF 2.

⬢Attach the connectors cover to the screws. Push it all the way to the left and tighten the screws.

⬢Loosen four screws on the cover slightly. No need to remove them completely. Push the cover up and remove it from the printer.

⬢Don't pinch the antenna cable while connecting the Nextruders cables!

⬢Connect the third, fourth and fifth (from the right) Nextruder to the XL-Splitter:

XL-splitter with connected Nextruders should look like this.

⬢Put the XL buddy box cover back on the printer.

⬢Check Nextruder cables, they have to be inside the cutout in the cover.

⬢With a T10 key tighten the four screws.

⬢Locate the side filament sensor.

⬢Insert the PTFE tube from the first dock (from the right side) all the way into the upper hole in the part.

⬢Insert the PTFE tube from the second dock (from the right side) all the way into the middle hole in the part.

⬢Insert the PTFE tube from the third dock (from the right side) all the way into the lower hole in the part.

⬢Locate the left filament sensor.

⬢Insert the fourth dock (from the right side) PTFE tube all the way into the upper hole in the part.

⬢Insert the fifth dock (from the right side) PTFE tube all the way into the lower hole in the part.

⬢Locate the Wi-Fi antenna connector on the right rear corner of the printer.

⬢The antenna can be rotated around and bent in two directions.

⬢We recommend pointing the antenna straight upwards.

Now skip to Step 35 - Spool holder: parts preparation

⬢Remove the nut with the washers from the antenna connector.

⬢The antenna connector is prepared.

⬢The latest version of the connector has a thicker washer. We don't need it anymore. You can throw it away.

⬢Insert the antenna connector into the same-shaped hole in the Wi-Fi-antenna-holder .

⬢Push the antenna connector through the Wi-Fi-antenna-holder.

⬢Insert the thinner washer back onto the connector.

⬢Using the universal wrench, tighten the nut on an antenna connector.

⬢Good job! The Wi-Fi antenna is prepared.

⬢Locate the xl-rear-cable-management-plug (cover) on the rear of the printer.

⬢Loosen two screws on the cover slightly. No need to remove them completely. Push the cover to the right and remove it from the printer.

⬢Loosen four screws securing the electronics cover. Remove the cover.

⬢Connect the first dock (from the right side) cable to the upper slot labeled DWARF 1.

⬢Connect the second dock (from the right side) cable to the lower slot labeled DWARF 2.

⬢Push the antenna cable through the opening in the cable cover (metal sheet) and guide it behind the cover to the electronics box.

⬢Attach the antenna-holder on the screws and push the cover to the left. Tighten the screws.

⬢Connect the antenna to the apporpiate slot on the XL Buddy board.

Do not take the XL-splitter board out of the printer, the photo is only a tool for connecting the nextruder cables.

⬢Connect the third, fourth and fifth (from the right) Nextruder to the splitter:

⬢XL-splitter with connected Nextruders has to look like this.

⬢Put the XL-buddy-box-cover back on the printer.

⬢Check Nextruders cables, they have to be inside the cutout in the cover.

⬢With a T10 key tighten the four screws.

⬢Locate the right filament sensor.

⬢Insert the first dock (from the right side) PTFE tube all the way into the upper hole in the part.

⬢Insert the second dock (from the right side) PTFE tube all the way into the middle hole in the part.

⬢Insert the third dock (from the right side) PTFE tube all the way into the lower hole in the part.

⬢Locate the left filament sensor.

⬢Insert the PTFE tube from the fourth dock (from the right side) all the way into the upper hole in the part.

⬢Insert the PTFE tube from the fifth dock (from the right side) all the way into the middle hole in the part.

⬢Locate the Wi-Fi antenna connector in the middle of the printer.

⬢Screw the Wi-Fi antenna on the antenna connector. The antenna can be rotated around and bent in two directions.

⬢We recommend pointing the antenna straight upwards.

Original Prusa XL comes with two versions of the spool holder. Each version has slightly different parts and different procedure.

⬢Carefully turn the printer so that the side with the Wi-Fi antenna faces you.

⬢Insert the M5nEs nut into the front support extrusion (with the orange plastic cover). Insert the side with the spring (metal plate) first, then push the nut inside.

⬢The M5nEs nut is free to move, you can adjust the position as you want. But remember, the nut must be slightly pushed in to smoothly move. Anyway, we recommend approximately the same position as you can see in the picture.

⬢Insert second and third M5nEs nut in the extrusion approximately to the same position as shown.

⬢Attach the spool holder assembly to the M5nEs nut in the extrusion. Note that there is a protrusion on the spool-holder-mount, which must fit into the groove in the extrusion.

⬢Tighten the spool holder assembly with a 4 mm Allen key.

⬢Attach and tighten the second and the third spool holder to the M5nEs nut using a 4 mm Allen key.

Keep in mind that if you mount the Spool holder too high or too low, it may not fit the filament spool on it. There has to be enough space around it.

⬢Carefully turn the printer so that the side without the Wi-Fi antenna faces you.

⬢Insert the fourth and fifth M5nEs nut in the extrusion approximately to the same position as shown.

⬢Attach and tighten the fourth and the fifth spool holder to the M5nEs nut using a 4 mm Allen key.

Keep in mind that if you mount the Spool holder too high or too low, it may not fit the filament spool on it. There has to be enough space around it.

⬢Now, go to Nextruder assembly: parts preparation.

⬢Carefully turn the printer so that the side with the Filament sensor (with 3 PTFE tubes) is facing you.

⬢Insert the first M4nEs nut into the front support extrusion (with the orange plastic cover). Insert the side with the spring (metal plate) first, then push the nut inside.

⬢Insert the second and the third M4nEs nut into the extrusions as described in the picture.

⬢The M4nEs nuts are free to move, you can adjust the position as you want. But remember, the nuts must be slightly pushed in to smoothly move. Anyway, we recommend approximately the same position as you can see in the picture.

⬢Locate pins two pins on the spool-holder-base and line them with the rails in the spool-holder-slider.

⬢Insert the spool-holder-base into the spool-holder-slider and push it through a little through the part.

⬢Insert the M4x12 screw on the longer side of the 3mm Allen key.

⬢Insert the 3mm Allen key with the M4x12 screw through the assembled spool holder to the prepared hole in the spool-holder-base.

⬢The M4x12 screw has to protrude through the spool-holder-base.

⬢Attach the first spool holder assembly to the M4nEs nut in the extrusion. Note that there is a protrusion on the spool-holder-base, which must fit into the groove in the extrusion.

⬢Tighten the spool holder assembly.

⬢Assemble the second and the third spool holder and attach them to the M4nEs nuts with M4x12 screws.

⬢Turn the printer, so the Filament sensor (with two PTFE tubes) is facing you.

⬢Insert the fourth and fifth M4nEs nut in the extrusion approximately to the same position as shown.

⬢Attach and tighten the fourth and the fifth spool holder to the M4nEs nut using a 3 mm Allen key.

Keep in mind that if you mount the Spool holder too high or too low, it may not fit the filament spool on it. There has to be enough space around it.

⬢Take the Nextruder and place it carefully next to the dock.

⬢Place the two metal inserts through the white holes in the dock. The magnets will help you dock the Nextruder.

⬢Well done, the first Nextruder is ready!

⬢Dock the second, third, fourth and fifth Nextruder in the same way as the first.

⬢Good job!