1. Begin assembly

Printer maintenance

• Filament Guide addon (MK4S/MK4)
• How to replace Loveboard (MK4S/MK4/MK3.9S/MK3.9)
• How to replace the silver PSU with the black PSU
• How to replace a Heatbed Thermistor (MK4/S, MK3.9/S, MK3.5/S)
• How to replace the Prusa Nozzle (MK4S/MK3.9S)
• How to replace a hotend assembly (MK4S / MK3.9S)
• How to install the Nextruder V6 Nozzle Adapter (MK4S/MK3.9S)
  1. Begin assembly
  2. Introduction
  3. Tools necessary for this chapter
  4. Preparing the printer
  5. Cleaning the hotend
  6. Protecting the heatbed
  7. Accessing the hotend cables
  8. Disconnecting the hotend cables
  9. Removing the hotend
  10. Removing the Prusa Nozzle
  11. Installing the V6 nozzle: parts preparation
  12. Installing the Nextruder V6 Nozzle Adapter
  13. Inserting the hotend
  14. Hotend insertion check
  15. Tightening the nozzle
  16. Assembling the silicone sock (optional)
  17. Securing the hotend assembly
  18. Guiding the hotend cables
  19. Arranging the cables
  20. Setting up the nozzle diameter
  21. Final check
  22. That's it!
• How to replace a print fan (MK4S / MK3.9S)