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PrusaSlicer 2.9.0

December 20, 2024

Changes in 2.9.0

  • Multiple beds and bulk export
  • Scarf seams
  • Printables integration
  • Paint-on fuzzy skin
  • Improvements in painting tools and multi-material slicing
  • Basic support for printing with different nozzle diameters

Firmware 6.3.0

January 31, 2025

Changes in 6.3.0

  • Prusa CORE One support

Handbook 1.01

February 25, 2025

Changes in 1.01

  • Instructions for installing anti-vibration bars

Firmware 6.2.2

March 05, 2025

Changes in 6.2.2

  • Fix consistent layer shifts
  • Fix stack overflow
  • Fix toggling MMU rework in menu
  • Improve network throughput

Handbook 1.01

October 23, 2024

Changes in 1.01

Correction of product information

Minor content updates

Firmware 6.2.2

March 05, 2025

Changes in 6.2.2

  • Fix consistent layer shifts
  • Fix stack overflow
  • Fix toggling MMU rework in menu
  • Improve network throughput

Handbook 1.01

October 23, 2024

Changes in 1.01

Correction of product information

Minor content updates

Firmware 6.2.2.

March 05, 2025

Changes in 6.2.2.

  • Fix consistent layer shifts
  • Fix stack overflow
  • Fix toggling MMU rework in menu
  • Improve network throughput

Handbook 1.01

October 23, 2024

Changes in 1.01

Correction of product information

Minor content updates

Firmware 6.2.2 (3.0.3) MK3.5S, MK3.5

March 05, 2025

Changes in 6.2.2 (3.0.3) MK3.5S, MK3.5

  • Fix consistent layer shifts
  • Fix stack overflow
  • Fix toggling MMU rework in menu
  • Improve network throughput

Handbook 1.02

March 26, 2024

Changes in 1.02

  • Updated with instructions for MK4

Firmware 6.2.2

March 05, 2025

Changes in 6.2.2

  • Fix consistent layer shifts
  • Fix stack overflow
  • Improve network throughput

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.

Handbook 1.00

August 04, 2022

Changes in 1.00

  • Initial release

Firmware 6.2.2

March 05, 2025

Changes in 6.2.2

  • Fix consistent layer shifts
  • Fix stack overflow
  • Improve network throughput

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

Handbook 1.00

June 24, 2024

Changes in 1.00

  • Initial release

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 1.08

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 6.2.2

March 05, 2025

Changes in 6.2.2

  • Fix consistent layer shifts
  • Fix stack overflow
  • Fix toggling MMU rework in menu
  • Improve network throughput

Handbook 1.03

September 20, 2023

Changes in 1.03

Updated with instructions for MK3.9 upgrade

Firmware 6.2.2

March 05, 2025

Changes in 6.2.2

  • Fix consistent layer shifts
  • Fix stack overflow
  • Fix toggling MMU rework in menu
  • Improve network throughput

Handbook 1.03

September 20, 2023

Changes in 1.03

Updated with instructions for MK3.9 upgrade

Firmware 6.2.2.

March 05, 2025

Changes in 6.2.2.

  • Fix consistent layer shifts
  • Fix stack overflow
  • Fix toggling MMU rework in menu
  • Improve network throughput

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 6.2.2

March 05, 2025

Changes in 6.2.2

  • Fix consistent layer shifts
  • Fix stack overflow
  • Improve network throughput

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 1.7.2

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

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.