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Firmware & Downloads

PrusaSlicer 2.9.2

April 10, 2025

Changes in 2.9.2

  • New STEP import quality selector
  • Bug fixes

Firmware 6.3.4

July 17, 2025

Changes in 6.3.4

  • Smarter heat absorption logic
  • Retuned heatbed PID for thermal stability
  • Automatic display refresh rate fallback
  • Additional updates, improvements, and fixes

Handbook 1.01

February 25, 2025

Changes in 1.01

  • Instructions for installing anti-vibration bars

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • CORE One printer detection
  • Fixed returning to wrong Z position after pause

Handbook 1.01

October 23, 2024

Changes in 1.01

Correction of product information

Minor content updates

Firmware 6.3.4 (3.0.3) CORE One

July 17, 2025

Changes in 6.3.4 (3.0.3) CORE One

  • Smarter heat absorption logic
  • Retuned heatbed PID for thermal stability
  • Automatic display refresh rate fallback
  • Additional updates, improvements, and fixes

Handbook 1.03

June 05, 2025

Changes in 1.03

  • Includes instructions for Prusa CORE One
  • Added instructions for initial setup

Firmware 6.2.5

April 28, 2025

Changes in 6.2.5

  • Fixed hangs during fast consecutive toolchanges

Handbook 1.04

February 22, 2024

Changes in 1.04

  • Update on the change from 0.6 mm nozzle diameter to 0.4 mm as default.

Firmware 1.8.0

March 11, 2025

Changes in 1.8.0

  • Support for Prusa Connect
  • Custom print profiles
  • Updated PrusaLink Web
  • Exposure time limits
  • Reworked handling of USB flash drives
  • API key support dropped
  • Other improvements
  • Bug fixes
  • Known issues

Handbook 1.08

April 03, 2024

Changes in 1.08

  • Updating information on package contents

Firmware 3.3.0

May 16, 2023

Changes in 3.3.0

  • Extend all timers to 255 minutes
  • IPA Filtering (new feature)
  • Wash cycles (new feature)
  • New heating algorithm
  • Automatic fans control
  • Factory reset option
  • Improved self-test
  • Bugfixes

Handbook 1.02

April 25, 2022

Changes in 1.02

  • Initial release for the CW1S

Firmware 1.3.14

July 09, 2025

Changes in 1.3.14

Fixed bugs:

  • System temperature management optimization

Handbook 1.01

May 05, 2025

Changes in 1.01

  • Updated specification of OHS (Occupational Health and Safety)
  • Updated description of package contents
  • Updated maintenance section

Handbook 1.00

August 04, 2022

Changes in 1.00

  • Initial release

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • CORE One printer detection
  • Fixed returning to wrong Z position after pause

Handbook 1.01

October 23, 2024

Changes in 1.01

Correction of product information

Minor content updates

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • CORE One printer detection
  • Fixed returning to wrong Z position after pause

Handbook 1.01

October 23, 2024

Changes in 1.01

Correction of product information

Minor content updates

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • Fixed returning to wrong Z position after pause

Handbook 1.09

April 06, 2022

Changes in 1.09

  • Updates related to Printables.com
  • Several small changes

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • CORE One printer detection
  • Fixed returning to wrong Z position after pause

Handbook 1.03

September 20, 2023

Changes in 1.03

Updated with instructions for MK3.9 upgrade

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • CORE One printer detection
  • Fixed returning to wrong Z position after pause

Handbook 1.03

September 20, 2023

Changes in 1.03

Updated with instructions for MK3.9 upgrade

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • CORE One printer detection
  • Fixed returning to wrong Z position after pause

Handbook 1.00

February 05, 2024

Changes in 1.00

Initial online version

Firmware 3.14.1

November 28, 2024

Changes in 3.14.1

  • Add filament presence check at start of print
  • Region Mesh Bed Levelling fixes
  • Show filament color/name during M600
  • Fix safety timer not handled correctly
  • Delay Z-Axis on Autoload
  • Replace hard coded crash z lift value with Pause Z lift value.
  • Send host actions on filament runout
  • Lower MIN_Z_FOR_UNLOAD from 50mm to 20mm
  • Add "load filament" if autoload is disabled
  • Abort nozzle change if filament is loaded
  • PowerPanic related changes
  • Reduce ambient shutdown to 80 °C
  • Added utils/build.py to be able to compile the firmware
  • MMU related changes
  • Minor fixes
  • Community related changes

Handbook 3.18

January 26, 2023

Changes in 3.18

  • Several small changes

Firmware 3.14.1 (3.0.3)

November 28, 2024

Changes in 3.14.1 (3.0.3)

  • Add filament presence check at start of print
  • Region Mesh Bed Levelling fixes
  • Show filament color/name during M600
  • Fix safety timer not handled correctly
  • Delay Z-Axis on Autoload
  • Replace hard coded crash z lift value with Pause Z lift value.
  • Send host actions on filament runout
  • Lower MIN_Z_FOR_UNLOAD from 50mm to 20mm
  • Add "load filament" if autoload is disabled
  • Abort nozzle change if filament is loaded
  • PowerPanic related changes
  • Reduce ambient shutdown to 80 °C
  • Added utils/build.py to be able to compile the firmware
  • MMU related changes
  • Minor fixes
  • Community related changes

Handbook 1.2

November 24, 2020

Changes in 1.2

  • Changes related to MK3S+ release

Firmware 6.2.4

April 15, 2025

Changes in 6.2.4

  • Reduced USB errors
  • Fixed returning to wrong Z position after pause

Handbook 1.09

April 06, 2022

Changes in 1.09

  • Updates related to Printables.com
  • Several small changes

Firmware 3.14.1

November 28, 2024

Changes in 3.14.1

  • Add filament presence check at start of print
  • Region Mesh Bed Levelling fixes
  • Show filament color/name during M600
  • Fix safety timer not handled correctly
  • Delay Z-Axis on Autoload
  • Replace hard coded crash z lift value with Pause Z lift value.
  • Send host actions on filament runout
  • Lower MIN_Z_FOR_UNLOAD from 50mm to 20mm
  • Add "load filament" if autoload is disabled
  • Abort nozzle change if filament is loaded
  • PowerPanic related changes
  • Reduce ambient shutdown to 80 °C
  • Added utils/build.py to be able to compile the firmware
  • MMU related changes
  • Minor fixes
  • Community related changes

Handbook 3.18

January 26, 2023

Changes in 3.18

  • Several small changes

Firmware 3.14.1

November 28, 2024

Changes in 3.14.1

  • Add filament presence check at start of print
  • Region Mesh Bed Levelling fixes
  • Show filament color/name during M600
  • Fix safety timer not handled correctly
  • Delay Z-Axis on Autoload
  • Replace hard coded crash z lift value with Pause Z lift value.
  • Send host actions on filament runout
  • Lower MIN_Z_FOR_UNLOAD from 50mm to 20mm
  • Add "load filament" if autoload is disabled
  • Abort nozzle change if filament is loaded
  • PowerPanic related changes
  • Reduce ambient shutdown to 80 °C
  • Added utils/build.py to be able to compile the firmware
  • MMU related changes
  • Minor fixes
  • Community related changes

Handbook 2.62

June 12, 2020

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

Firmware 1.8.0

March 11, 2025

Changes in 1.8.0

  • Support for Prusa Connect
  • Custom print profiles
  • Updated PrusaLink Web
  • Exposure time limits
  • Reworked handling of USB flash drives
  • API key support dropped
  • Other improvements
  • Bug fixes
  • Known issues

Handbook 1.05

June 12, 2020

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

Firmware 3.3.0

May 16, 2023

Changes in 3.3.0

  • Extend all timers to 255 minutes
  • IPA Filtering (new feature)
  • Wash cycles (new feature)
  • New heating algorithm
  • Automatic fans control
  • Factory reset option
  • Improved self-test
  • Bugfixes

Handbook 1.01

August 28, 2020

Changes in 1.01

  • Reflects changes introduced in FW 3.0.0

Firmware 3.14.1

November 28, 2024

Changes in 3.14.1

  • Add filament presence check at start of print
  • Region Mesh Bed Levelling fixes
  • Show filament color/name during M600
  • Fix safety timer not handled correctly
  • Delay Z-Axis on Autoload
  • Replace hard coded crash z lift value with Pause Z lift value.
  • Send host actions on filament runout
  • Lower MIN_Z_FOR_UNLOAD from 50mm to 20mm
  • Add "load filament" if autoload is disabled
  • Abort nozzle change if filament is loaded
  • PowerPanic related changes
  • Reduce ambient shutdown to 80 °C
  • Added utils/build.py to be able to compile the firmware
  • MMU related changes
  • Minor fixes
  • Community related changes

Handbook 3.04

September 12, 2018

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)

Firmware 3.14.1

November 28, 2024

Changes in 3.14.1

  • Add filament presence check at start of print
  • Region Mesh Bed Levelling fixes
  • Show filament color/name during M600
  • Fix safety timer not handled correctly
  • Delay Z-Axis on Autoload
  • Replace hard coded crash z lift value with Pause Z lift value.
  • Send host actions on filament runout
  • Lower MIN_Z_FOR_UNLOAD from 50mm to 20mm
  • Add "load filament" if autoload is disabled
  • Abort nozzle change if filament is loaded
  • PowerPanic related changes
  • Reduce ambient shutdown to 80 °C
  • Added utils/build.py to be able to compile the firmware
  • MMU related changes
  • Minor fixes
  • Community related changes

Handbook 2.51

May 31, 2018

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)

Firmware 3.2.3

June 06, 2019

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)

Handbook 2.02

January 04, 2018

Changes in 2.02

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

Firmware 3.2.3

June 06, 2019

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)

Handbook 1.0

September 13, 2017

Changes in 1.0

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

Firmware 3.0.12

June 23, 2017

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

Handbook 1.01

September 09, 2015

Changes in 1.01

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