1. Tools necessary for this chapter

Original Prusa i3 MK3/MK3S to MK3S+ upgrade

• 1. Introduction
• 2A. MK3 Extruder disassembly
  1. Tools necessary for this chapter
  2. Preparing the printer
  3. Releasing the cable bundle
  4. Unplugging the extruder cables
  5. Removing the filament sensor cable
  6. Removing the extruder
  7. Fans and motor removal
  8. P.I.N.D.A. sensor removal
  9. Hotend removal
  10. Removing the PTFE tube
  11. Inserting the new PTFE tube
  12. Idler disassembly
  13. Removing the filament sensor (optional)
  14. Disassembly is finished!
• 3A. MK3 Extruder upgrade
• 3B. MK3S Extruder upgrade
• 4. Electronics assembly
• 5. Y-axis upgrade
• 6. Preflight check