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  1. Needle-nose pliers
    • Needle-nose pliers

    • 2.5 mm Allen key

  2. LCD-cover
    • LCD-cover

    • LCD-knob

    • LCD-support

    • LCD-cable-clip

  3. Prepare the LCD controller and LCD-support printed parts as shown in the picture. Ensure the correct orientation of parts and the LCD controller.
    • Prepare the LCD controller and LCD-support printed parts as shown in the picture.

    • Ensure the correct orientation of parts and the LCD controller.

    • Slide the LCD-support parts on the LCD-controller.

    • The exact position will be adjusted in the next step, no need to worry at this moment.

    • You can now remove the protective foil from the LCD panel.

    • Cables are plugged to the LCD from the factory, but you can disconnect them.

  4. Adjust the LCD-support parts as shown in the picture.
    • Adjust the LCD-support parts as shown in the picture.

    • LCD-support parts must face directly into the cutouts in the LCD-cover.

  5. Press the LCD controller with the LCD-support into the LCD-cover as shown in the picture. Press it as deep as possible.
    • Press the LCD controller with the LCD-support into the LCD-cover as shown in the picture.

    • Press it as deep as possible.

    • The LCD controller must click under support in the center of the LCD-cover.

  6. M3x10 screws (2 pcs) Using the 2.5mm hex spanner, secure the LCD controller in place. Using the 2.5mm hex spanner, secure the LCD controller in place.
    • M3x10 screws (2 pcs)

    • Using the 2.5mm hex spanner, secure the LCD controller in place.

  7. Assemble the LCD-knob part as shown in the picture. Assemble the LCD-knob part as shown in the picture.
    • Assemble the LCD-knob part as shown in the picture.

  8. Plug in the cables as shown in the picture. Cable with 1 stripe has to be plugged in the connector labeled with EXP1.
    • Plug in the cables as shown in the picture.

    • Cable with 1 stripe has to be plugged in the connector labeled with EXP1.

    • Cable with 2 stripes has to be plugged in the connector labeled with EXP2.

  9. Press the LCD assembly onto the front side of the Y-axis. Best way is to press the LCD assembly on the top threaded rod first and then on the bottom.
    • Press the LCD assembly onto the front side of the Y-axis.

    • Best way is to press the LCD assembly on the top threaded rod first and then on the bottom.

    • Guide the LCD cables in between threaded rods as in the picture.

  10. Use the zipties to anchor the LCD assembly to the threaded rods. Use the zipties to anchor the LCD assembly to the threaded rods. Use the zipties to anchor the LCD assembly to the threaded rods.
    • Use the zipties to anchor the LCD assembly to the threaded rods.

  11. Guide the LCD cables using LCD-clips as seen in the picture. Reverse direction of each of the clip, to prevent side movement of the cables.
    • Guide the LCD cables using LCD-clips as seen in the picture.

    • Reverse direction of each of the clip, to prevent side movement of the cables.

  12. Congratulations! You've attached the LCD to the Prusa i3 3D printer!
    • Congratulations! You've attached the LCD to the Prusa i3 3D printer!

    • You can continue by assembling the PSU and the heatbed in the next chapter - 7. PSU & Heatbed assembly.

Finish Line

211 other people completed this guide.

Josef Prusa

Member since: 01/05/2015

142 Guides authored

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Prusa Research Member of Prusa Research

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367 Guides authored

10 Comments

Absolutely no chance to attach, even with power, upper first, lower first...

Michael Bock - Reply

Step 6: Add more lead-in to the screw holes. I had to hand drill the holes part way to get the 3mm screws started.

Darrell L Wertz - Reply

I agree, using the drill helps get the screws in.

Rex Lu -

Attaching the LCD screen to the bottom rod first was much easier than the other way round.

MartinMajewski - Reply

Agreed. I did that too.

Daniel Naas -

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