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