1. Tools necessary for this chapter

Original Prusa i3 MK3/MK3S/MK3S+ to MK3.9 upgrade (1.0)

• 1. Introduction
• 1a. Parts check
• 1b. Printer disassembly
• 1c. Parts preparation
• 2. Frame assembly
• 3. X-axis & X-carriage assembly
• 4. Z-axis assembly
  1. Tools necessary for this chapter
  2. Assembling the Z-bottoms: parts preparation
  3. Assembling the Z-bottoms
  4. Z motor assembling: parts preparation
  5. Attaching the rubber pads
  6. Installing the Z motors
  7. Z motor cable adapter: parts preparation
  8. Connecting the Z motor cable adapters
  9. Connecting the Z motors
  10. Mounting the X-axis assembly: parts preparation
  11. Mounting the X-axis and smooth rods
  12. Assembling the X-axis and smooth rods
  13. Installing the X-axis assembly
  14. Assembling the trapezoidal nuts
  15. Installing the Z-top parts: parts preparation
  16. Placing the Z-top parts
  17. LoveBoard: parts preparation
  18. Assembling the LoveBoard
  19. Connecting the extruder main cable
  20. Mounting the extruder main cable
  21. Connecting the extruder main cable: parts preparation
  22. Connecting the extruder main cable
  23. Covering the X-carriage: parts preparation
  24. Covering the X-carriage: inserting the nylon filament
  25. Attaching the X-cover-back
  26. Guiding the main-cable: parts preparation
  27. Wraping the extruder main cable
  28. Wrapping the textile sleeve
  29. Ext-cable-holder: parts preparation
  30. Ext-cable-holder: parts preparation
  31. Wrapping the X motor cable
  32. Attaching the Ext-cable-holder
  33. Assembling the Ext-cable-holder
  34. Assembling the Ext-cable-holder
  35. Connecting the X motor cable adapter
  36. Attaching the Ext-cable-holder
  37. Reward yourself!
  38. Here it is!
• 5. Nextruder assembly
• 6. xLCD assembly
• 7. Y-carriage & Heatbed assembly
• 8. Preflight check
• Manual changelog MK3.9 upgrade