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Downloads

Original Prusa i3 MK3S

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Firmware 3.9.0 new May 19, 2020

Download 3.9.0 (7MB)

Changes in 3.9.0

This is a major release, please, update!

Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers

  • Linear Advance 1.5
  • Automatic E-jerk conversion
  • Screen brightness adjustment
  • Filament sensor recognition
  • New G-code files sorting
  • Toggle and Translations
  • Show current Z offset in reset dialog before first layer calibration
  • Unknown Z coordinate displayed
  • Safer moves in Z-axis, if the position is unknown
  • Heating disabled during MBL
  • MINTEMP value lowered
  • MINTEMP error differentiated
  • Flickering “Statistics” screen fixed
  • Tone timer re-enabled
  • Nozzle crash protection improved
  • Belt test improvements
  • Decoupling XYZ relative and E relative

Drivers & Apps 2.3.0 March 23, 2020

Changes in 2.3.0

Handbook 3.12 October 3, 2019

Download 3.12 (10MB)

Changes in 3.12

  • Changes regarding firmware version 3.8.0

Original Prusa MINI

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Firmware 4.0.5 April 6, 2020

Download 4.0.5 (1MB)

Changes in 4.0.5

  • Prusa Connect Local (WebUI)
  • Stop print function fixed
  • The printer is now locked (except Tune menu) during Remote print via OctoPrint (safety reasons)
  • Adjustment to Mesh Bed Levelling
  • The new color scheme for active button
  • Improved movement near the axis end
  • Revised file sorting
  • Adjustments to e-steps
  • Improved Z-axis self-test
  • Random screen freezing fixed
  • New EEPROM implementation

Drivers & Apps 2.3.0 March 23, 2020

Changes in 2.3.0

Handbook 1.03 April 20, 2020

Download 1.03 (13MB)

Changes in 1.03

  • Updated texts to match the latest firmware

Original Prusa i3 MK2.5S

RSS

Firmware 3.9.0 new May 19, 2020

Download 3.9.0 (9MB)

Changes in 3.9.0

This is a major release, please, update!

Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers

  • Linear Advance 1.5
  • Automatic E-jerk conversion
  • New G-code files sorting
  • Show current Z offset in reset dialog before first layer calibration
  • Unknown Z coordinate displayed
  • Safer moves in Z-axis, if the position is unknown
  • Heating disabled during MBL
  • MINTEMP error differentiated
  • Flickering “Statistics” screen fixed
  • Tone timer re-enabled
  • Belt test improvements
  • Decoupling XYZ relative and E relative

Drivers & Apps 2.3.0 March 23, 2020

Changes in 2.3.0

Handbook 2.61 October 3, 2019

Download 2.61 (10MB)

Changes in 2.61

  • Changes regarding firmware version 3.8.0

Original Prusa SL1

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Firmware 1.3.3 March 4, 2020

Download 1.3.3 (150MB)

Changes in 1.3.3

Drivers & Apps 2.3.0 March 23, 2020

Changes in 2.3.0

Handbook 1.04 April 20, 2020

Download 1.04 (23MB)

Changes in 1.04

  • Updated texts to match the latest firmware
  • Calibration of custom resins added
  • Hollowing in PrusaSlicer added
  • PrusaConnect / Network printing section updated

Original Prusa CW1

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Firmware 2.1.4 September 22, 2019

Download 2.1.4 (1MB)

Changes in 2.1.4

Drivers & Apps 2.3.0 March 23, 2020

Changes in 2.3.0

Handbook 1.00 May 20, 2019

Download 1.00 (2MB)

Changes in 1.00

Original Prusa i3 MK3

RSS

Firmware 3.9.0 new May 19, 2020

Download 3.9.0 (7MB)

Changes in 3.9.0

This is a major release, please, update!

Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers

  • Linear Advance 1.5
  • Automatic E-jerk conversion
  • Laser filament sensor sensitivity fix
  • Screen brightness adjustment
  • New G-code files sorting
  • Toggle and Translations
  • Show current Z offset in reset dialog before first layer calibration
  • Unknown Z coordinate displayed
  • Safer moves in Z-axis, if the position is unknown
  • Heating disabled during MBL
  • MINTEMP value lowered
  • MINTEMP error differentiated
  • Flickering “Statistics” screen fixed
  • Tone timer re-enabled
  • Nozzle crash protection improved
  • Belt test improvements
  • Decoupling XYZ relative and E relative

Drivers & Apps 2.3.0 March 23, 2020

Changes in 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

RSS

Firmware 3.9.0 new May 19, 2020

Download 3.9.0 (9MB)

Changes in 3.9.0

This is a major release, please, update!

Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers

  • Linear Advance 1.5
  • Automatic E-jerk conversion
  • New G-code files sorting
  • Show current Z offset in reset dialog before first layer calibration
  • Unknown Z coordinate displayed
  • Safer moves in Z-axis, if the position is unknown
  • Heating disabled during MBL
  • MINTEMP error differentiated
  • Flickering “Statistics” screen fixed
  • Tone timer re-enabled
  • Belt test improvements
  • Decoupling XYZ relative and E relative

Drivers & Apps 2.3.0 March 23, 2020

Changes in 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

RSS

Firmware 3.9.0 (1.0.6) new May 19, 2020

Download 3.9.0 (1.0.6) (10MB)

Changes in 3.9.0 (1.0.6)

This is a major release, please, update!

Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers

Printer firmware update (3.9.0)

  • Linear Advance 1.5
  • Automatic E-jerk conversion
  • Screen brightness adjustment (MK3S)
  • Filament sensor recognition (MK3S)
  • New G-code files sorting
  • Toggle and Translations (MK3S)
  • MMU2S selector blade activated
  • Show current Z offset in reset dialog before first layer calibration
  • Unknown Z coordinate displayed
  • Safer moves in Z-axis, if the position is unknown
  • Heating disabled during MBL
  • MINTEMP value lowered (MK3S)
  • MINTEMP error differentiated
  • Flickering “Statistics” screen fixed
  • Tone timer re-enabled
  • Nozzle crash protection improved (MK3S)
  • MMU runout for unknown filament fixed
  • Belt test improvements
  • Decoupling XYZ relative and E relative

MMU2 Unit firmware update (v1.0.6)

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

Drivers & Apps 2.3.0 March 23, 2020

Changes in 2.3.0

Handbook 1.1 February 7, 2020

Download 1.1 (10MB)

Changes in 1.1

  • Chapter 7.1 (IR filament sensor calibration) update
  • Chapter 9.2 (Setting up colors) update
  • Minor updates related to the latest firmware versions

Firmware 3.9.0 (1.0.6) new May 19, 2020

Download 3.9.0 (1.0.6) (10MB)

Changes in 3.9.0 (1.0.6)

This is a major release, please, update!

Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers

Printer firmware update (3.9.0)

  • Linear Advance 1.5
  • Automatic E-jerk conversion
  • Screen brightness adjustment (MK3)
  • New G-code files sorting
  • Toggle and Translations (MK3)
  • Show current Z offset in reset dialog before first layer calibration
  • Unknown Z coordinate displayed
  • Safer moves in Z-axis, if the position is unknown
  • Heating disabled during MBL
  • MINTEMP value lowered (MK3)
  • MINTEMP error differentiated
  • Laser filament sensor sensitivity fix (MK3)
  • Flickering “Statistics” screen fixed
  • Tone timer re-enabled
  • Nozzle crash protection improved (MK3)
  • MMU runout for unknown filament fixed
  • Belt test improvements
  • Decoupling XYZ relative and E relative

MMU2 Unit firmware update (v1.0.6)

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

Drivers & Apps 2.3.0 March 23, 2020

Changes in 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 2.3.0 March 23, 2020

Changes in 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 2.3.0 March 23, 2020

Changes in 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 2.3.0 March 23, 2020

Changes in 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