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
• 5. Nextruder assembly
  1. Tools necessary for this chapter
  2. Filament sensor: parts preparation
  3. Assembling the filament sensor
  4. Assembling the filament sensor
  5. Nextruder idler assembly: parts preparation
  6. Assembling the extruder idler
  7. Assembling the extruder: parts preparation I.
  8. Assembling the extruder: parts preparation II.
  9. Assembling the extruder
  10. Assembling the gearbox
  11. Assembling the PG-ring
  12. Assembling the PG-assembly
  13. Checking the PG-assembly
  14. Assembling the Nextruder idler
  15. Covering the planetary gear
  16. Assembling the Idler-swivel: parts preparation
  17. Assembling the Idler-swivel
  18. Assembling the Idler-nut
  19. Mounting the Idler-swivel assembly
  20. Attaching the extruder: parts preparation
  21. Assembling the heatsink
  22. Attaching the extruder
  23. Connecting the NTC thermistor
  24. Assembling the hotend fan: parts preparation
  25. Assembling the hotend fan
  26. Inserting the hotend assembly: parts preparation
  27. Inserting the hotend assembly
  28. Connecting the hotend cables
  29. Assembling the fan-door: parts preparation
  30. Assembling the fan door
  31. Assembling the fan-door
  32. Assembling the fan-door
  33. Assembling the fan-door
  34. Assembling the fan-door
  35. Connecting the extruder cables
  36. Connecting the print fan
  37. LoveBoard: Wiring check
  38. Covering the LoveBoard: parts preparation
  39. Covering the LoveBoard
  40. Covering the LoveBoard
  41. Tensioning the X-axis belt
  42. Belt tension check
  43. Testing the X-axis belt
  44. Haribo time!
  45. The extruder is assembled
• 6. xLCD assembly
• 7. Y-carriage & Heatbed assembly
• 8. Preflight check
• Manual changelog MK3.9 upgrade