Firmware & Downloads
PrusaSlicer 2.9.2
April 10, 2025
Changes in 2.9.2
- New STEP import quality selector
- Bug fixes
Firmware 6.3.2
April 14, 2025
Changes in 6.3.2
- Adjusted RPM range check for the Print Fan test
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 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
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 6.2.4 (3.0.3) MK3.5S, MK3.5
April 15, 2025
Changes in 6.2.4 (3.0.3) MK3.5S, MK3.5
- Reduced USB errors
- CORE One printer detection
- Fixed returning to wrong Z position after pause
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 1.3.2
April 30, 2025
Changes in 1.3.2
New features:
- Chamber LED timeout
- Chamber LED lights up on screen click and door open
- New material presets
- Demo gcodes updated
- Display time remaining to next pause
- Maintenance intervals reminder
- Minimal pause height set to 50mm
- Loading animation during parsing USB files metadata
- Prusa Connect network status checking and warning
Fixed bugs:
- Move out of range on start of print fixed
- 100% progress on print start fixed
- Purge arc radius reduced by 5mm
- Default chamber LED power set to 100% to prevent camera interference
- Filament change wizard on 'FILAMENT_CHANGE' macro
- More contrast scroll bar
- Klipper screen config persistent between updates
- Images updated with 100% actual print head
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
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
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
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 (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 6.2.4
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.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 1.8.0
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
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
