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
  1. Tools necessary for this chapter
  2. Opening the electronics box
  3. Disconnecting cables
  4. Removing the Einsy-base
  5. Removing the Einsy-door
  6. Removing the heatbed
  7. Dismantling cable management
  8. Removing the LCD assembly
  9. Dismantling the Y-axis: removing the belt
  10. Removing the Y-axis assembly
  11. Removing the Z-axis-tops
  12. Removing the cable-holder
  13. Removing the X-axis assembly
  14. Removing the Z-axis motors
  15. Removing the Z-axis-bottoms
  16. Removing the Y-motor
  17. Y motor preparation (MK3.9S)
  18. Disconnecting the power cables
  19. Disassembling the Y-carriage: belt
  20. Dissasembling the Y-carriage: rod holders
  21. Disassembling the Y-carriage: bearings
  22. Disassembling the X-axis: Removing the pulley
  23. Removing the X-axis motor
  24. Removing the X-axis smooth rods
  25. X motor preparation (MK3.9S)
  26. For new users of black PSU
  27. Parts summary I.
  28. Parts summary II. (MK3.9S)
  29. Don't throw away
  30. Can I have a gummy bear yet?
• 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
• 8. Preflight check
• Manual changelog