Drivers and manuals


  • Version 1.9.1 Most recent (November 17, 2017) for MK2/S/MMU
    • Windows version 206MB
    • Mac OSX version 300MB
      • Linux instructions
      • – See GitHub releases for Linux AppImage builds.
      • – Use Slic3r config bundle and sample objects from Mac Package.
    • Version 1.9.1 changelog
      • Slic3r PE updated to 1.37.2
      • PrusaControl updated to 0.9.4_415_beta
      • Print settings update with Linear Advance
    • Version 1.9.0 changelog
      • Slic3r PE updated to 1.37.1
      • PrusaControl added with version 0.9.3_390_beta with support for MultiMaterial
      • MM
        • – New 3 material test object added – Big Whale Jumping by GabirelYun. Uses PLA and BVOH.
        • – New print settings for 0.6mm nozzle.
        • – Printer tests all used extruders prior to the print on the first layer at the front of the print bed to verify proper filament insertion.
  • Older versions
  • Version 1.7.7 (May 6, 2017) with latest settings for MK1


  • Original Prusa i3 MK2 Multi Material
    • English 3D Printing Handbook 3MB
    • – Version 1.0 (proper initial version, added ColorPrint MM, tested filaments, troubleshooting… )
    • – September 13, 2017
  • Original Prusa i3 MK2S
    • English 3D Printing Handbook 7MB
    • – Version 2.01 (added chapters Regular maintenance, PrusaControl, Advanced calibration – PID/PINDA/XYZ details, corrected Bed Level Correction and other small changes)
    • – September 7, 2017
  • Original Prusa i3 MK2
    • English 3D Printing Handbook 6MB
    • – Version 1.05 (PEI surface preparation changes, calibration flow tweaks, when is needed to redo the calibration, how to change filament during a print, dental floss for object removing, light and full factory reset, firmware update…)
    • – October 23, 2016
  • Original Prusa i3 “MK1” 1.75mm

    Manual is suitable even for 3mm version except material temperatures and images.



Firmware 3.1.0 (November 12, 2017)

MK1, MK2 and MK2 Multi Material are now supported.
Changes in 3.1.0 final:

  • Linear Advance
  • Wizard
  • Host keep alive messages – better OctoPrint compatibility
  • Sorting files in SD card menu by date or name
  • Check if file is complete
  • First layer calibration – V2 integrated into FW
  • Auto power mode
  • XYZ calibration details menu improved
  • PID calibration safety check
  • M220: Speed factor
  • Saving E steps per mm to EEPROM fixed
  • Long filename scrolling is improved

Changes in 3.0.12 final:

  • MM: fixed bug with active beeper during filament loading
  • M500 gcode now doesn’t store Esteps value to EEPROM preventing weird behaviour when upgrading MK2 to MK2 MM

Changes in 3.0.12-RC2:

  • Improved XYZ calibration
  • XYZ calibration results are now available in Support menu
  • Selftest fixed
  • Improved unload filament
  • Multi Material
    • When stopping a print, user is asked what filaments to unload
    • “T?” Gcode added, which selects extruder to use prior to the print
  • Added support for MK1

Full detailed release log on Github

Big Whale Jumping