Downloads

Original Prusa i3 MK3S & MK3S+

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Firmware 3.9.3 January 7, 2021

Download 3.9.3 (7MB)

Changes in 3.9.3

  • Redesigned XYZ calibration, which is now more precise

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 3.15 November 24, 2020

Download 3.15 (9MB)

Changes in 3.15

  • Changes related to MK3S+ release
  • Linear advance 1.5 chapter updated
  • Dozens of small changes

Original Prusa MINI & MINI+

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Firmware 4.3.1 February 15, 2021

Download 4.3.1 (1MB)

Changes in 4.3.1

  • X-axis error during Wizard fixed
  • Safety timer not activated fixed

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 1.0.5 November 24, 2020

Download 1.0.5 (16MB)

Changes in 1.0.5

  • Changes related to MINI+ release

Original Prusa i3 MK2.5S

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Firmware 3.9.3 January 7, 2021

Download 3.9.3 (9MB)

Changes in 3.9.3

  • Redesigned XYZ calibration, which is now more precise
  • Support for MK2.5/MK2.5S with SuperPINDA

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 2.62 June 12, 2020

Download 2.62 (9MB)

Changes in 2.62

Reflects changes introduced in FW 3.9.0:
  • First layer calibration chapter updated
  • Linear Advance chapter updated
  • Display brightness chapter added
  • LCD menu structure updated
  • MINTEMP information updated

Original Prusa SL1

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Firmware 1.5.0 new April 9, 2021

Download 1.5.0 (178MB)

Changes in 1.5.0

  • QR Error codes
  • Redesigned Settings menu
  • Advanced Prusa Connect Local
  • One-click print functionality
  • Top bar notifications
  • Firmware upgrade & downgrade
  • Backlight and screensaver control
  • Project files thumbnails
  • Log upload improved
  • Print statistics
  • Others
  • Fixed bugs

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 1.05 June 12, 2020

Download 1.05 (21MB)

Changes in 1.05

  • Added information reflecting changes in firmware 1.4.0
  • Added instructions on print display replacement and UV LED panel calibration
  • Updated firmware update information

Original Prusa CW1

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Firmware 3.0.0 August 28, 2020

Download 3.0.0 (1MB)

Changes in 3.0.0

  • Code refactoring and optimizations
  • Firmware localized into 7 languages
  • Resin preheat
  • Extended curing time
  • Factory self-test

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 1.01 August 28, 2020

Download 1.01 (28MB)

Changes in 1.01

  • Reflects changes introduced in FW 3.0.0

Original Prusa i3 MK3

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Firmware 3.9.3 January 7, 2021

Download 3.9.3 (7MB)

Changes in 3.9.3

  • Redesigned XYZ calibration, which is now more precise

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 3.04 September 12, 2018

Download 3.04 (8MB)

Changes in 3.04

  • Loading filament (updated chapter)
  • LCD screen (updated chapter)
  • Beeper settings (new chapter)
  • Language settings (new chapter)
  • MMU 2.0 (new chapter)
  • Slic3r PE (updated chapter)
  • Filament sensor (updated chapter)
  • Updating firmware (updated chapter)
  • Linearity correction (new chapter)

Original Prusa i3 MK2.5

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Firmware 3.9.3 January 7, 2021

Download 3.9.3 (9MB)

Changes in 3.9.3

  • Redesigned XYZ calibration, which is now more precise
  • Support for MK2.5/MK2.5S with SuperPINDA

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 2.51 May 31, 2018

Download 2.51 (7MB)

Changes in 2.51

  • Error messages (Chapter 14) added
  • Nozzle change walkthrough updated
  • Firmware 3.2.1 update (Linear Advance, Safety Timer, Stall guard)
  • New photos (steel sheet, first layer)

Original Prusa i3 MK3S+/MK2.5S Multi Material 2S

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Firmware 3.9.3 (1.0.6) January 7, 2021

Download 3.9.3 (1.0.6) (10MB)

Changes in 3.9.3 (1.0.6)

Printer firmware update (3.9.3)

  • Redesigned XYZ calibration, which is now more precise
  • Support for MK2.5S with SuperPINDA

MMU2 Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 1.2 November 24, 2020

Download 1.2 (9MB)

Changes in 1.2

  • Changes related to MK3S+ release

MK3S+/MK2.5S Multi Material 2S  handbook in the other languages:
Čeština (v1.2) | Français (v1.1) | Deutsch (v1.1) | Italiano (v1.1) | Polski (v1.1) | Español (v1.1)

Older versions

Firmware 3.9.3 (1.0.6) January 7, 2021

Download 3.9.3 (1.0.6) (11MB)

Changes in 3.9.3 (1.0.6)

Printer firmware update (3.9.3)

  • Redesigned XYZ calibration, which is now more precise
  • Support for MK2.5 with SuperPINDA

MMU2 Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 1.03 December 19, 2018

Download 1.03 (8MB)

Changes in 1.03

  • Placement and setup (chapter updated)
  • Ejecting filament (chapter added)
  • Load to nozzle (chapter added)
  • Individual Filament calibration (chapter updated)
  • Power panic support (chapter added)
  • Troubleshooting - the most common problems (chapter added)
  • All five LEDs blinking red (chapter updated)
  • Loud clicking and idler unable to move freely (chapter added)
  • Filament not extruded during the print (chapter updated)
  • Filament can not go through the selector (chapter added)
  • Different filament tip shapes after the unload (chapter added)

Firmware 3.2.3 June 6, 2019

Download 3.2.3 (1MB)

Changes in 3.2.3

  • Preheat error improved
  • Improved temperature regulation
  • Remaining time estimation
  • Adjustable beeper notifications
  • Incomplete file check updated
  • G-code fixes (M27, M110, M115)

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 2.02 January 4, 2018

Download 2.02 (7MB)

Changes in 2.02

  • update based on changes in firmware v3.1.0 - Wizard, Linear Advance, SD Card sorting, etc.
  • Materials chapter update

MK2S  handbook in the other languages:
Čeština (v2.02)

Kit assembly manual
Older versions

Firmware 3.2.3 June 6, 2019

Download 3.2.3 (1MB)

Changes in 3.2.3

  • Preheat error improved
  • Improved temperature regulation
  • Remaining time estimation
  • Adjustable beeper notifications
  • Incomplete file check updated
  • G-code fixes (M27, M110, M115)

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 1.0 September 13, 2017

Download 1.0 (3MB)

Changes in 1.0

  • proper initial version
  • added ColorPrint MM
  • tested filaments
  • troubleshooting

Firmware 3.2.3 June 6, 2019

Download 3.2.3 (1MB)

Changes in 3.2.3

  • Preheat error improved
  • Improved temperature regulation
  • Remaining time estimation
  • Adjustable beeper notifications
  • Incomplete file check updated
  • G-code fixes (M27, M110, M115)

Drivers & Apps 2.3.1 new April 19, 2021

Changes in 2.3.1

  • New PrusaSlicer 2.3.1
    • Universal OSX builds, Apple Silicon support
    • Chrome OS support
    • New 3rd party printer profiles
    • Vulnerability issues fixed
    • Bugs fixed with respect to PrusaSlicer 2.3.0

Handbook 1.05 October 16, 2016

Download 1.05 (6MB)

Changes in 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

Firmware 3.0.12 June 23, 2017

Download 3.0.12

Changes in 3.0.12

  • 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

Drivers & Apps 1.7.7 May 6, 2017

Changes in 1.7.7

Slic3r PE upgraded to 1.34.1 – Up to 4x faster slicing thanks to parallelization

Handbook 1.01 September 9, 2015

Download 1.01 (5MB)

Changes in 1.01

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

Other downloads

MMU Post Processor

  • Only for MMU 1 (not compatible with MMU 2.0)
  •  Download

MK2/S V2 CALIBRATION

MK2 MMU V2 CALIBRATION

RAMBO ADDON FOR ARDUINO

  • Enables Arduino IDE to upload the FW. If you can use our FirmwareUpdater and hex files.
  •  Download