Firmware & Downloads
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
Handbook 1.01
October 23, 2024
Changes in 1.01
Correction of product information
Minor content updates
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
Handbook 1.01
October 23, 2024
Changes in 1.01
Correction of product information
Minor content updates
Firmware 6.2.1 (3.0.3) MK4S, MK4, MK3.9S, MK3.9
February 20, 2025
Changes in 6.2.1 (3.0.3) MK4S, MK4, MK3.9S, MK3.9
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
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 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
Handbook 1.09
April 06, 2022
Changes in 1.09
- Updates related to Printables.com
- Several small changes
Firmware 1.2.4
December 09, 2024
Changes in 1.2.4
- Added statistics panel to Klipper Screen
- Panel thermistors reading fixed
- Temperature min-max splitted to settable min-max and failure min-max
- Filament sensor interlock locking fixed - Print can't be now started without filament present.
- Long gcode names UI buttons breaking on preprint screen fixed
- Nozzle purge after printhead change offers incompatible material fixed
- Move printhead to the front on filament change wizard
- Always reheat on flex unload
- M109 and M190 not working on pause fixed
- Speed and extrusion factor reset on start of new print
- HT materials loading temperature fixed
- Print temperatures in time of ADC out of range event
- Display correct verb on temperature waiting
- Splash screen printhead image updated from AQI to HT90
- Turbine hysteresis added
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
Handbook 1.01
October 23, 2024
Changes in 1.01
Correction of product information
Minor content updates
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
Handbook 1.03
September 20, 2023
Changes in 1.03
Updated with instructions for MK3.9 upgrade
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
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.pyto be able to compile the firmware - MMU related changes
- Minor fixes
- Community related changes
Firmware 1.7.2
March 19, 2024
Changes in 1.7.2
- Project thumbnail page while printing
- Elephant foot and exposure times compensation fix
- Help pages split between M1 and SL1/S
- Red screen (error page) with a scrollable layout
- Bug fixes
- Known issues
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
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.pyto be able to compile the firmware - MMU related changes
- Minor fixes
- Community related changes
Firmware 6.2.1
February 20, 2025
Changes in 6.2.1
- 'Not HF Nozzle' status reset post-update
- Recalibration of X and Y Axes after reset
- Support for M30 G-code
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.pyto be able to compile the firmware - MMU related changes
- Minor fixes
- Community related 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.pyto 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 1.7.2
March 19, 2024
Changes in 1.7.2
- Project thumbnail page while printing
- Elephant foot and exposure times compensation fix
- Help pages split between M1 and SL1/S
- Red screen (error page) with a scrollable layout
- 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
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.pyto 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.pyto be able to compile the firmware - MMU related changes
- Minor fixes
- Community related changes
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)
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)
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
