ファームウェアとダウンロード
PrusaSlicer 2.9.4
2025-11-07T00:00:00+00:00
変更 2.9.4
- Junction Deviation Integration
- Improved Time Estimation
Firmware 6.5.3
2026-03-23T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-24T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-24T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-24T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-23T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware Firmware 6.5.3 (3.0.4) MK3.5, MK3.5S
2026-03-24T00:00:00+00:00
変更 Firmware 6.5.3 (3.0.4) MK3.5, MK3.5S
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware Firmware 6.5.3 (3.0.4) CORE One L
2026-03-23T00:00:00+00:00
変更 Firmware 6.5.3 (3.0.4) CORE One L
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware Firmware 6.5.3 (3.0.4) CORE One/CORE One+
2026-03-23T00:00:00+00:00
変更 Firmware 6.5.3 (3.0.4) CORE One/CORE One+
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware Firmware 6.5.3 (3.0.4) MK4S, MK4, MK3.9S, MK3.9
2026-03-23T00:00:00+00:00
変更 Firmware 6.5.3 (3.0.4) MK4S, MK4, MK3.9S, MK3.9
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
This is the release candidate for the upcoming firmware 6.5.3 for the Prusa CORE One L, CORE One+, CORE One, MK4S, MK4, MK3.9S and MK3.9.
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.4.0 (3.0.3) MK3.5S, MK3.5
2025-11-25T00:00:00+00:00
変更 6.4.0 (3.0.3) MK3.5S, MK3.5
- New features
- Automatic chamber vent opening/closing (C1/+)
- Belt tuning wizard (C1/+)
- Faster and more responsive Prusa Connect experience
- Nozzle cleaning failed wizard
- Auto-retract (MK4 family, XL)
- Auto-retract improvements (C1/+)
- Auto-retract disable option (C1/+)
- Selective factory reset
- Chamber support for backwards G-Code compatibility (C1/+)
- Changes and improvements
- Improved print status messages
- Lazier homing, more cautious calibration
- Autoload improvements
- Unified XL & CORE One chamber filtration
- Option to continue after nozzle cleaning failure
- Print sheet detection (MK4 family)
- Respect maximum printed Z position
- Gearbox alignment calibration (XL)
- Filament change from Tune menu in any tool (XL)
- Support cancelling more objects
- Wi-Fi signal strength indicator
- BSOD knob press behavior
- Reworked filament sensor evaluation
- Ukrainian language support for all printers
- Fixes
- All the fixes from the 6.3.X releases have been expanded to other printers.
- Various fixes and stability improvements
Firmware 6.4.0 (3.0.3) MK4S, MK4, MK3.9S, MK3.9
2025-11-25T00:00:00+00:00
変更 6.4.0 (3.0.3) MK4S, MK4, MK3.9S, MK3.9
- New features
- Automatic chamber vent opening/closing (C1/+)
- Belt tuning wizard (C1/+)
- Faster and more responsive Prusa Connect experience
- Nozzle cleaning failed wizard
- Auto-retract (MK4 family, XL)
- Auto-retract improvements (C1/+)
- Auto-retract disable option (C1/+)
- Selective factory reset
- Chamber support for backwards G-Code compatibility (C1/+)
- Changes and improvements
- Improved print status messages
- Lazier homing, more cautious calibration
- Autoload improvements
- Unified XL & CORE One chamber filtration
- Option to continue after nozzle cleaning failure
- Print sheet detection (MK4 family)
- Respect maximum printed Z position
- Gearbox alignment calibration (XL)
- Filament change from Tune menu in any tool (XL)
- Support cancelling more objects
- Wi-Fi signal strength indicator
- BSOD knob press behavior
- Reworked filament sensor evaluation
- Ukrainian language support for all printers
- Fixes
- All the fixes from the 6.3.X releases have been expanded to other printers.
- Various fixes and stability improvements
Firmware 6.2.6 (3.0.3) MK3.5S, MK3.5
2025-09-03T00:00:00+00:00
変更 6.2.6 (3.0.3) MK3.5S, MK3.5
Summary
- Display refresh rate fallback to improve stability
- Fixes for rare BSOD crashes during filament handling
Firmware 6.2.6 (3.0.3) MK4S, MK4, MK3.9S, MK3.9
2025-09-03T00:00:00+00:00
変更 6.2.6 (3.0.3) MK4S, MK4, MK3.9S, MK3.9
Summary
- Display refresh rate fallback to improve stability
- Fixes for rare BSOD crashes during filament handling
Firmware 6.3.4 (3.0.3) CORE One
2025-07-17T00:00:00+00:00
変更 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
Firmware 6.2.6
2025-09-03T00:00:00+00:00
変更 6.2.6
Summary
- Display refresh rate fallback to improve stability
- Reduced sensitivity to bed heating fluctuations on XL
- Fixes for rare BSOD crashes during filament handling
Firmware 6.4.0
2025-11-25T00:00:00+00:00
変更 6.4.0
- New features
- Automatic chamber vent opening/closing (C1/+)
- Belt tuning wizard (C1/+)
- Faster and more responsive Prusa Connect experience
- Nozzle cleaning failed wizard
- Auto-retract (MK4 family, XL)
- Auto-retract improvements (C1/+)
- Auto-retract disable option (C1/+)
- Selective factory reset
- Chamber support for backwards G-Code compatibility (C1/+)
- Changes and improvements
- Improved print status messages
- Lazier homing, more cautious calibration
- Autoload improvements
- Unified XL & CORE One chamber filtration
- Option to continue after nozzle cleaning failure
- Print sheet detection (MK4 family)
- Respect maximum printed Z position
- Gearbox alignment calibration (XL)
- Filament change from Tune menu in any tool (XL)
- Support cancelling more objects
- Wi-Fi signal strength indicator
- BSOD knob press behavior
- Reworked filament sensor evaluation
- Ukrainian language support for all printers
- Fixes
- All the fixes from the 6.3.X releases have been expanded to other printers.
- Various fixes and stability improvements
Firmware 1.8.0
2025-03-11T00:00:00+00:00
変更 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
2023-05-16T00:00:00+00:00
変更 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 6.5.3
2026-03-23T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-24T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-23T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-23T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 6.5.3
2026-03-24T00:00:00+00:00
変更 6.5.3
Summary
- New features and improvements
- Massively speed up MMU filament changes [MMU]
- Updated default input shaper profiles [C1+, C1L]
- Updated translations (beta didn’t have new texts translated)
- Fixes
- M1704 MMU load test gcode now considers toolmapping [MMU]
- Fixed MMU sending spurious attention reports to Prusa Connect during normal toolchanges [MMU]
For a complete overview of features introduced in firmware 6.5.3, users can refer to the 6.5.3-beta published earlier.
Firmware 3.14.1
2024-11-28T00:00:00+00:00
変更 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)
2024-11-28T00:00:00+00:00
変更 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 6.4.0
2025-11-25T00:00:00+00:00
変更 6.4.0
- New features
- Automatic chamber vent opening/closing (C1/+)
- Belt tuning wizard (C1/+)
- Faster and more responsive Prusa Connect experience
- Nozzle cleaning failed wizard
- Auto-retract (MK4 family, XL)
- Auto-retract improvements (C1/+)
- Auto-retract disable option (C1/+)
- Selective factory reset
- Chamber support for backwards G-Code compatibility (C1/+)
- Changes and improvements
- Improved print status messages
- Lazier homing, more cautious calibration
- Autoload improvements
- Unified XL & CORE One chamber filtration
- Option to continue after nozzle cleaning failure
- Print sheet detection (MK4 family)
- Respect maximum printed Z position
- Gearbox alignment calibration (XL)
- Filament change from Tune menu in any tool (XL)
- Support cancelling more objects
- Wi-Fi signal strength indicator
- BSOD knob press behavior
- Reworked filament sensor evaluation
- Ukrainian language support for all printers
- Fixes
- All the fixes from the 6.3.X releases have been expanded to other printers.
- Various fixes and stability improvements
Firmware 3.14.1
2024-11-28T00:00:00+00:00
変更 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
2024-11-28T00:00:00+00:00
変更 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 1.8.0
2025-03-11T00:00:00+00:00
変更 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
2023-05-16T00:00:00+00:00
変更 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
2024-11-28T00:00:00+00:00
変更 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
2018-09-12T00:00:00+00:00
変更 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
2024-11-28T00:00:00+00:00
変更 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 2.51
2018-05-31T00:00:00+00:00
変更 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
2019-06-06T00:00:00+00:00
変更 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
2018-01-04T00:00:00+00:00
変更 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
2019-06-06T00:00:00+00:00
変更 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
2017-09-13T00:00:00+00:00
変更 1.0
- proper initial version
- added ColorPrint MM
- tested filaments
- troubleshooting
Firmware 3.0.12
2017-06-23T00:00:00+00:00
変更 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
2015-09-09T00:00:00+00:00
変更 1.01
Manual is suitable even for 3mm version except material temperatures and images.
