Original Prusa MK3.5 support

Original Prusa MK3.5 support

Firmware 6.5.7

July 09, 2026

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Changelog

Handbook 1.00

February 05, 2024

Upgrade to MK3.5 from MK3S/MK3S+

1. Introduction2. Parts check3. Printer dissasembly4. xBuddy assembly5. xLCD & PSU assembly6. Heatbed upgrade7. Extruder upgrade8. Preflight checkManual changelog MK3.5 upgrade

Original Prusa i3 MK3S/MK3S+ to MK3.5 upgrade

9 chapters
Moderate
Begin assembly

Get started with MK3.5

LCD menu (MK3.5/S)

LCD menu (MK3.5/S)

The Original Prusa MK3.5S is equipped with a color LCD screen that, among other things, supports G-code thumbnails and QR codes. The footer of the main screen can be edited to…

Community posts

Z Axis won't calibrate after rebuild
Wes Neal
  • 2 replies
supports will not release
craig vance
  • 2 replies
upgrade MK3.5 with nextruder
De Jef
  • 1 reply
Can't get any prints to work after spaghetti
Diem
  • 2 replies
MK3S Firmware will not update
htfan
  • 2 replies

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