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  1. Ensure the printer is turned off and not plugged in. While moving with the extruder, the X-axis motor works as a generator. You will create a small amount of electricity and the LCD might flicker. Move with the extruder reasonably slowly and in the future always use the printer's controls. Move the extruder manually all the way to the left.
    • Ensure the printer is turned off and not plugged in.

    • While moving with the extruder, the X-axis motor works as a generator. You will create a small amount of electricity and the LCD might flicker. Move with the extruder reasonably slowly and in the future always use the printer's controls.

    • Move the extruder manually all the way to the left.

    • By rotating BOTH threaded rods at the same time on the Z-axis move the nozzle until you reach the heatbed. Try rotating both the rods equally!

    • Check again from a different angle the nozzle is touching slightly the heatbed. Don't bend the heatbed!

    • Don't place the steel sheet on the heatbed during the entire P.I.N.D.A. probe adjustment process. Wait for the XYZ calibration.

  2. Move the extruder carefully all the way to the right. Make sure that the nozzle is not scratching the surface during the movement! If it does, rise the right side of the X-axis by rotating the right Z motor slightly clockwise.
    • Move the extruder carefully all the way to the right.

    • Make sure that the nozzle is not scratching the surface during the movement! If it does, rise the right side of the X-axis by rotating the right Z motor slightly clockwise.

    • If an adjustment is needed, you can lower the nozzle height by rotating the right Z motor counter-clockwise.

  3. Move the extruder to the centre of the X-axis. Take a zip tie from the package and place it under the P.I.N.D.A. sensor. Use the middle part of the zip tie, not the tip. Release the screw holding the P.I.N.D.A. sensor and gently press it against the zip tie.
    • Move the extruder to the centre of the X-axis.

    • Take a zip tie from the package and place it under the P.I.N.D.A. sensor. Use the middle part of the zip tie, not the tip.

    • Release the screw holding the P.I.N.D.A. sensor and gently press it against the zip tie.

    • Tighten the screw on the P.I.N.D.A. holder again.

    • !!! DO NOT use glue to fix P.I.N.D.A. probe in the new type of holder with the M3 screw, you won't be able to release it again !!!

    • A correct height of the P.I.N.D.A. sensor compared to the nozzle should be similar to the last picture.

  4. Please watch our New User Guide before printing: prusa3d.com/new-user-mk3/
  5. Based on the examination of printers received back from the customers, we compiled a list of the most common problems causing poor print quality. Check them out and improve your 3D prints today!
    • Based on the examination of printers received back from the customers, we compiled a list of the most common problems causing poor print quality. Check them out and improve your 3D prints today!

    • Check the video here: https://youtu.be/Lsa-PXAXdKY

    • For other tips and tutorials go to: https://help.prusa3d.com/

  6. See our free 3D Printing Handbook - https://www.prusa3d.com/3dhandbookMK3 Read the chapters 3.2 Disclaimer and 3.3 Safety instructions
    • See our free 3D Printing Handbook - https://www.prusa3d.com/3dhandbookMK3

    • Read the chapters 3.2 Disclaimer and 3.3 Safety instructions

    • Read the chapter 6.3 Setup before printing.

    • Download and install the drivers - chapter 9 Printer drivers. Don't forget we have ready to print settings for Slic3r PE.

    • Calibrate the printer by following the chapter 6.3.1 Calibration flow and wizard. Please follow the steps exactly, otherwise you can permanently damage the print surface!

  7. Read the chapter 7 Printing of 3D Printing Handbook.
    • Read the chapter 7 Printing of 3D Printing Handbook.

    • Congratulations! You should be ready to print by now ;-)

    • You can start by printing some of our test objects bundled on the included SD card - you can check them out here prusa3d.com/printable-3d-models

  8. If you encounter any problems at all, don't forget you can always check out our knowledge base at http://help.prusa3d.com. We're adding new topics every day!
    • If you encounter any problems at all, don't forget you can always check out our knowledge base at http://help.prusa3d.com. We're adding new topics every day!

  9. If you need help with the build, check out our forum with great community :-)
Finish Line

435 other people completed this guide.

Jakub Dolezal

Member since: 02/20/2017

222 Guides authored

Team

Prusa Research Member of Prusa Research

Community

3 Members

364 Guides authored

48 Comments

Thanks so much for the fantastic instructions, they are part of what make the experience top notch!

Steven Underwood - Reply

Hola:

genial la guía!!

Me gusto mucho montar la impresora.

Vi que siempre están superándose y estudiándolo todo a fondo. Seguramente estarán estudiando como mejorar la conducción del cableado. Es lo ultimo que se estudia (pero es que lo demás esta TAN BIEN), pero cuando llegas al cableado empiezas a ver que se aflojo en la terminación.

Felicitaciones y gracias por tanta calidad y esmero

Sebastián González Pacín

sebastián - Reply

Hola Sebastián,

Muchas gracias por tu comentario. Esperamos que disfrutes nuestro producto ;)

Jakub Dolezal -

All in all, I don’t think I would have been able to complete this build without such a great guide. The only thing i could even remotely think of as an improvement would be some other way to distinguish arrows, as some folks who are colorblind may not be able to tell certain colors apart.

Zachary Goyer - Reply

Hi Zachary, thank you for your feedback :) I've already adjusted Chapter 8 to be easier to read in case you can't distinguish between colours. Are there any other parts of the manual, which should be changed as well?

Jakub Dolezal -

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