1. Tools necessary for this chapter

Original Prusa i3 MK3/MK3S/MK3S+ to MK4S/MK3.9S upgrade (1.01)

• 1. Introduction
• 1a. Parts check
• 1b. Printer disassembly
• 1c. Parts preparation
• 2. Frame assembly
• 3. X-axis & X-carriage assembly
• 4. Z-axis assembly
• 5. Nextruder assembly
• 6. xLCD assembly
• 7. Y-carriage & Heatbed assembly
  1. Tools necessary for this chapter
  2. Heatbed cable assembly: parts preparation
  3. Heatbed cable assembly (part 1)
  4. Heatbed cable assembly (part 2)
  5. Heatbed cable assembly (part 3)
  6. Covering the heatbed cables: parts preparation
  7. Assembling the heatbed-cable-cover-bottom
  8. Assembling the heatbed-cable-cover: nylon filament
  9. Assembling the heatbed-cable-cover-bottom
  10. Assembling the heatbed-cable-cover-top
  11. Wraping the textile sleeve
  12. Y-carriage versions
  13. Y-carriage (OLD): parts preparation
  14. Bearing clip assembly (OLD)
  15. Bearing installation (OLD)
  16. Bearing alignment (OLD)
  17. Bearing attachment (OLD)
  18. Smooth rods: parts preparation (OLD)
  19. Inserting smooth rods (OLD)
  20. Y-carriage: parts preparation (NEW)
  21. Bearing clip assembly (NEW)
  22. Bearing alignment (NEW)
  23. Bearing installation (NEW)
  24. Bearing attachment (NEW)
  25. Bearings positioning (NEW)
  26. Smooth rods: parts preparation (NEW)
  27. Inserting smooth rods (NEW)
  28. Preparing Y-rod-holder
  29. Mounting the Y-rod-holder parts
  30. Installing the Y-carriage
  31. Aligning the smooth rods
  32. Assembling the Y belt: parts preparation
  33. Assembling the Y-belt-holder
  34. Assembling the Y belt
  35. Attaching the Y belt holder
  36. Assembling the Y belt tensioner
  37. Attaching the Y belt tensioner
  38. Tensioning the Y belt
  39. Belt tension check
  40. Aligning the Y belt
  41. Expansion joints: parts preparation
  42. Expansion joints preparation
  43. Installing the Expansion joints
  44. Attaching the heatbed: parts preparation
  45. Attaching the heatbed
  46. Tightening the heatbed
  47. Guiding the heatbed cables: parts preparation
  48. Assembling the Wi-Fi
  49. Guiding the heatbed cables
  50. Installing the WiFi cover assembly
  51. NFC antenna: parts preparation I.
  52. NFC antenna: parts preparation II.
  53. Installing the NFCcoil (pre-assembled)
  54. Connecting the NFC antenna
  55. Preparing the NFCcoil
  56. Assembling the NFC antenna
  57. Verify all connections once more!
  58. Covering the xBuddy box: bottom cover
  59. Covering the xBuddy box
  60. Filament guide: parts preparation
  61. Filament guide assembly (part 1)
  62. Filament guide assembly (part 2)
  63. Haribo time!
  64. That's it
• 8. Preflight check
• Manual changelog