Firmware changelog

v3.8.1 MK3S (October 24, 2019)

  • First layer calibration using multiple filament types (PLA, PET, ASA, ABS, HIPS, PP, FLEX)
  • Repeated First layer calibration settings added
  • Fan error on Octoprint bug fixed
  • New Live Adjust Z shortcut (Long press of the rotation knob - available only between 0-2 mm of print height)
  • Move Z shortcut adjustment - not possible during the print)
  • Translations corrections
  • Other bug fixes

v3.8.1 MK3 (October 24, 2019)

  • First layer calibration using multiple filament types (PLA, PET, ASA, ABS, HIPS, PP, FLEX)
  • Repeated First layer calibration settings added
  • Fan error on Octoprint bug fixed
  • New Live Adjust Z shortcut (Long press of the rotation knob - available only between 0-2 mm of print height)
  • Move Z shortcut adjustment - not possible during the print)
  • Translations corrections
  • Other bug fixes

v3.8.1 MK2.5S (October 24, 2019)

  • First layer calibration using multiple filament types (PLA, PET, ASA, ABS, HIPS, PP, FLEX)
  • Repeated First layer calibration settings added
  • Fan error on Octoprint bug fixed
  • Fixed bug with the incorrect mode displayed on MK2.5/S after reset
  • New Live Adjust Z shortcut (Long press of the rotation knob - available only between 0-2 mm of print height)
  • Move Z shortcut adjustment - not possible during the print)
  • Translations corrections
  • Other bug fixes

v3.8.1 MK2.5 (October 24, 2019)

  • First layer calibration using multiple filament types (PLA, PET, ASA, ABS, HIPS, PP, FLEX)
  • Repeated First layer calibration settings added
  • Fan error on Octoprint bug fixed
  • Fixed bug with the incorrect mode displayed on MK2.5/S after reset
  • New Live Adjust Z shortcut (Long press of the rotation knob - available only between 0-2 mm of print height)
  • Move Z shortcut adjustment - not possible during the print)
  • Translations corrections
  • Other bug fixes

v3.8.1 (1.0.6) MK3S/MK2.5S Multi Material 2S (October 24, 2019)

Printer firmware update (3.8.1)

  • First layer calibration using multiple filament types (PLA, PET, ASA, ABS, HIPS, PP, FLEX)
  • Repeated First layer calibration settings added
  • Fan error on Octoprint bug fixed
  • Fixed bug with the incorrect mode displayed on MK2.5/S after reset
  • New Live Adjust Z shortcut (Long press of the rotation knob - available only between 0-2 mm of print height)
  • Move Z shortcut adjustment - not possible during the print)
  • Translations corrections
  • Other bug fixes

MMU2 Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

v3.8.1 (1.0.6) MK3/MK2.5 Multi Material 2.0 (October 24, 2019)

Printer firmware update (3.8.1)

  • First layer calibration using multiple filament types (PLA, PET, ASA, ABS, HIPS, PP, FLEX)
  • Repeated First layer calibration settings added
  • Fan error on Octoprint bug fixed
  • Fixed bug with the incorrect mode displayed on MK2.5/S after reset
  • New Live Adjust Z shortcut (Long press of the rotation knob - available only between 0-2 mm of print height)
  • Move Z shortcut adjustment - not possible during the print)
  • Translations corrections
  • Other bug fixes

MMU2 Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

v1.2.2 SL1 (September 27, 2019)

  • Print quality improvements
  • Vibration elimination while printing
  • Blower fan fixes

v3.8.0 MK3S (September 7, 2019)

  • Steel sheet profiles (more info about settings)
  • Nozzle diameter setup
  • Preliminary checks
  • Firmware onscreen notification
  • Revised sound warnings
  • Heatbed noise at 110 V (60 Hz)
  • Crash detection fixes
  • Addition of the ASA material

v3.8.0 MK3 (September 7, 2019)

  • Steel sheet profiles (more info about settings)
  • Nozzle diameter setup
  • Preliminary checks
  • Firmware onscreen notification
  • Revised sound warnings
  • Heatbed noise at 110 V (60 Hz)
  • Crash detection fixes
  • Addition of the ASA material

v3.8.0 MK2.5S (September 7, 2019)

  • Steel sheet profiles (more info about settings)
  • Nozzle diameter setup
  • Preliminary checks
  • Firmware onscreen notification
  • Revised sound warnings
  • Heatbed noise at 110 V (60 Hz)
  • Crash detection fixes
  • Addition of the ASA material

v3.8.0 MK2.5 (September 7, 2019)

  • Steel sheet profiles (more info about settings)
  • Nozzle diameter setup
  • Preliminary checks
  • Firmware onscreen notification
  • Revised sound warnings
  • Heatbed noise at 110 V (60 Hz)
  • Crash detection fixes
  • Addition of the ASA material

v3.8.0 (1.0.6) MK3S/MK2.5S Multi Material 2S (September 7, 2019)

Printer firmware update (3.8.0)

  • Steel sheet profiles (more info about settings)
  • Nozzle diameter setup
  • Preliminary checks
  • Firmware onscreen notification
  • Revised sound warnings
  • Heatbed noise at 110 V (60 Hz)
  • Crash detection fixes
  • Addition of the ASA material

MMU2 Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

v3.8.0 (1.0.6) MK3/MK2.5 Multi Material 2.0 (September 7, 2019)

Printer firmware update (3.8.0)

  • Steel sheet profiles (more info about settings)
  • Nozzle diameter setup
  • Preliminary checks
  • Firmware onscreen notification
  • Revised sound warnings
  • Heatbed noise at 110 V (60 Hz)
  • Crash detection fixes
  • Addition of the ASA material

MMU2 Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

v1.2.1 SL1 (September 5, 2019)

This is a bugfix release.

  • Fixed UV LED exposure timing
  • Auto adjust tower profiles for reliable homing
  • Fixed bugs (see the full changelog)

v3.7.2 (1.0.6) MK3S/MK2.5S Multi Material 2S (August 19, 2019)

Printer firmware update (3.7.2)

  • Protection against multiple power panics (for MK3)
  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

MMU2S Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

v3.7.2 (1.0.6) MK3/MK2.5 Multi Material 2.0 (August 19, 2019)

Printer firmware update (3.7.2)

  • Protection against multiple power panics (for MK3)
  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

MMU2 Unit firmware update (v1.0.6)

  • Improved stealth mode
  • Unload speed decreased
  • Disabled unwanted selector movement
  • Automatic idler disengagement

v1.2.0 SL1 (August 8, 2019)

  • Multiple languages support
  • Touch UI improvements
  • Wizard improvements
  • Factory defaults protection
  • Bug fixes
  • Other changes (complete release log below)

v3.7.2 MK3S (June 27, 2019)

  • Protection against multiple power panics
  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

v3.7.2 MK3 (June 27, 2019)

  • Protection against multiple power panics
  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

v3.7.2 MK2.5S (June 27, 2019)

  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

v3.7.2 MK2.5 (June 27, 2019)

  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

v3.7.2 (1.0.5) MK3S/MK2.5S Multi Material 2S (June 27, 2019)

Printer firmware update (3.7.2)

  • Protection against multiple power panics (for MK3S)
  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

MMU2S Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v3.7.2 (1.0.5) MK3/MK2.5 Multi Material 2.0 (June 27, 2019)

Printer firmware update (3.7.2)

  • Protection against multiple power panics (for MK3)
  • Autonomous fan self-test
  • Incorrect firmware flashing protection
  • Min. temp safety trigger
  • Enforced fan check
  • Filament runout delay fix
  • Extruder position after fan error fix
  • Text format correction on Live adjust Z screen
  • Display target temperature at PID calibration screen

MMU2S Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v1.1.0 SL1 (June 10, 2019)

  • Fix UV statistics displaying as NA
  • Test the black display throughput at the end of UV calibration
  • Fixed the infinite test
  • Updated photos and texts for calibration
  • Default tower offset +0.05 mm
  • Less strict limits in resin sensor check
  • Improved hard error page
  • Fixed false-positive change check in advanced settings
  • UV LED Power Counter & UV LED Time Counter
  • Prevent user from setting an invalid hostname, restricted to [a-zA-Z0-9-_]
  • Fixed wrong carry in calculating the end of print time

v3.2.3 MK2SMK2/S Multi Material 1.0MK2 (June 6, 2019)

  • Preheat error improved
  • Improved temperature regulation
  • Remaining time estimation
  • Adjustable beeper notifications
  • Incomplete file check updated
  • G-code fixes (M27, M110, M115)

v3.7.1 MK3S (May 13, 2019)

  • Rambo board overheating fix
  • Bed preheat error fix
  • SPI flash error is not blocking the printer anymore
  • Menu items text overflowing fix
  • Linearity correction not saved to EEPROM fix

v3.7.1 MK3 (May 13, 2019)

  • Rambo board overheating fix
  • Bed preheat error fix
  • SPI flash error is not blocking the printer anymore
  • IR-sensor self-test fail message added
  • Menu items text overflowing fix
  • Linearity correction not saved to EEPROM fix

v3.7.1 MK2.5S (May 13, 2019)

  • Watchdog enabled
  • Rambo board overheating fix
  • Bed preheat error fix
  • SPI flash error is not blocking the printer anymore
  • Menu items text overflowing fix
  • Linearity correction not saved to EEPROM fix

v3.7.1 MK2.5 (May 13, 2019)

  • Watchdog enabled
  • Rambo board overheating fix
  • Bed preheat error fix
  • SPI flash error is not blocking the printer anymore
  • IR-sensor self-test fail message added
  • Menu items text overflowing fix
  • Linearity correction not saved to EEPROM fix

v3.7.1 (1.0.5) MK3S/MK2.5S Multi Material 2S (May 13, 2019)

Printer firmware update (3.7.1)

  • Octoprint MMU load failed fix
  • Watchdog enabled for MK2.5 and MK2.5S
  • Rambo board overheating fix
  • Bed preheat error fix
  • SPI flash error is not blocking the printer anymore
  • Menu items text overflowing fix
  • Linearity correction not saved to EEPROM fix

MMU2S Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v3.7.1 (1.0.5) MK3/MK2.5 Multi Material 2.0 (May 13, 2019)

Printer firmware update (3.7.1)

  • Octoprint MMU load failed fix
  • Watchdog enabled for MK2.5 and MK2.5S
  • Rambo board overheating fix
  • Bed preheat error fix
  • SPI flash error is not blocking the printer anymore
  • IR-sensor self-test fail message added
  • Menu items text overflowing fix
  • Linearity correction not saved to EEPROM fix

MMU2S Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v3.7.0 MK3 (April 1, 2019)

  • 7x7 mesh bed levelling (set the density in Settings - Mesh bed leveling - Mesh)
  • The informative message during switching between normal and stealth modes
  • Improved behaviour when removing SD card
  • Autoload disabled in extruder info menu

v3.7.0 MK3S (April 1, 2019)

  • 7x7 mesh bed levelling (set the density in Settings - Mesh bed leveling - Mesh)
  • The informative message during switching between normal and stealth modes
  • Improved behaviour when removing SD card
  • Autoload disabled in sensor info menu

v3.7.0 MK2.5S (April 1, 2019)

  • 7x7 mesh bed levelling (set the density in Settings - Mesh bed leveling - Mesh)
  • The informative message during switching between normal and silent modes
  • Improved behaviour when removing SD card
  • Autoload disabled in sensor info menu

v3.7.0 MK2.5 (April 1, 2019)

  • 7x7 mesh bed levelling (set the density in Settings - Mesh bed leveling - Mesh)
  • The informative message during switching between normal and silent modes
  • Improved behaviour when removing SD card
  • Autoload disabled in extruder info menu

v3.7.0 (1.0.5) MK3S/MK2.5S Multi Material 2S (April 1, 2019)

Printer firmware update (3.7.0)

  • 7x7 mesh bed levelling (set the density in Settings - Mesh bed leveling - Mesh)
  • Possibility to switch between normal and stealth mode (MK3S + MMU2S only)
  • Improved T-code load
  • Change filament fix
  • Eject filament contains ramming
  • The informative message during switching between normal and stealth modes
  • Improved behaviour when removing SD card
  • Autoload disabled in sensor info menu
  • Warning: We do not recommend using Octoprint with this version because of a known bug resulting in failed print after first load filament error.

MMU2S Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v3.7.0 (1.0.5) MK3/MK2.5 Multi Material 2.0 (April 1, 2019)

Printer firmware update (3.7.0)

  • 7x7 mesh bed levelling (set the density in Settings - Mesh bed leveling - Mesh)
  • Improved T-code load
  • Change filament fix
  • Eject filament contains ramming
  • The informative message during switching between normal and stealth modes
  • Improved behaviour when removing SD card
  • Autoload disabled in extruder info menu
  • Warning: We do not recommend using Octoprint with this version because of a known bug resulting in failed print after first load filament error.

MMU2S Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v3.6.0 MK3 (March 1, 2019)

  • Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
  • Stop print during filament change fixed

v3.6.0 MK3S (March 1, 2019)

  • Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
  • Stop print during filament change fixed

v3.6.0 MK2.5 (March 1, 2019)

  • Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
  • Stop print during filament change fixed

v3.6.0 MK2.5S (March 1, 2019)

  • Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
  • Stop print during filament change fixed

v3.6.0 (1.0.5) MK3/MK2.5 Multi Material 2.0 (March 1, 2019)

Printer firmware update (3.6.0)

  • Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
  • Stop print during filament change fixed

MMU2 Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v3.6.0 (1.0.5) MK3S/MK2.5S Multi Material 2S (March 1, 2019)

Printer firmware update (3.6.0)

  • Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
  • Stop print during filament change fixed

MMU2S Unit firmware update (v1.0.5)

  • This fw version improves mmu2 unit function when used with MK3S and MK2.5S printers with IR sensor. Especially T-code filament loading phase reliability was improved. It is now possible to resume print after MMU load fail detected by printer also by MMU button.

v3.5.2 (1.0.4) MK3/MK2.5 Multi Material 2.0 (February 20, 2019)

Printer firmware update (3.5.2)

  • More quiet print fan operation
  • Heatbed regulation improved - reduced the PSU clicking noise
  • Improved heater temperature regulation
  • Spool join for multi-material prints
  • Smarter load/unload function
  • Mintemp updated (MK2.5 only)
  • SD card menu is shown automatically when the card is inserted
  • Safer communication between MMU2 and printer
  • Crash detection for zero target temperature fixed (MK3 only)

MMU2 Unit firmware update (v1.0.4)

  • MK2.5 + MMU homing hotfix
  • Drive error detection improved

v3.5.2 MK3 (February 12, 2019)

  • More quiet print fan operation
  • Heatbed regulation improved - reduced the PSU clicking noise
  • Improved heater temperature regulation
  • Spool join for multi-material prints
  • Smarter load/unload function
  • SD card menu is shown automatically when the card is inserted
  • Safer communication between MMU2 and printer
  • Crash detection for zero target temperature fixed

v3.5.2 MK2.5 (February 12, 2019)

  • More quiet print fan operation
  • Improved heater temperature regulation
  • Spool join for multi-material prints
  • Smarter load/unload function
  • Mintemp for MK2.5 updated
  • SD card menu is shown automatically when the card is inserted
  • Safer communication between MMU2 and printer

v3.5.1 MK3 (December 19, 2018)

  • Patch release
  • Button click fix
  • M220 speed factor
  • Z-levelling fix
  • Pause print -> stop print fix

v3.5.1 MK2.5 (December 19, 2018)

  • Patch release
  • Button click fix
  • M220 speed factor
  • Pause print -> stop print fix

v3.5.1 (1.0.3) MK3/MK2.5 Multi Material 2.0 (December 19, 2018)

Printer firmware update (3.5.1)

  • Patch release
  • Button click fix
  • M220 speed factor
  • Z-levelling fix (MK3 only)
  • Pause print -> stop print fix

MMU2 Unit firmware update (v1.0.3)

  • Power panic support
  • Smarter operation
  • Faster Individual Filament Calibration

v3.5.0 (1.0.3) MK3/MK2.5 Multi Material 2.0 (December 18, 2018)

MMU2 Unit firmware update (v1.0.3)

  • Power panic support
  • Smarter operation
  • Faster Individual Filament Calibration

v3.5.0 MK3 (November 22, 2018)

  • Faster filament loading
  • Pause print improved and Preheat error fix
  • Min. extrude temp. changed to 175 °C in all variants
  • Time remaining > 100 h screen fix
  • Improved Wizard for assembled printers
  • Filament change (M600): make space for opening idler
  • Bed power monitor
  • Standard G-codes for setting TMC currents
  • Crash detection -> stop print bug fixed
  • French language added
  • Other general improvements

v3.5.0 MK2.5 (November 22, 2018)

  • Faster filament loading
  • Pause print and Preheat error improved
  • Min. extrude temp. changed to 175 °C in all variants
  • Time remaining > 100 h screen fix
  • Improved Wizard for assembled printers
  • Filament change (M600): make space for opening idler
  • The French language added
  • Other general improvements

v3.5.0 (v1.0.2) MK3/MK2.5 Multi Material 2.0 (November 22, 2018)

  • All changes described in v3.0.5 description above
  • MMU2.0 related improvements:
    • Improved printing in single material mode (new Tx, Tc codes and T? fixed)
    • Load to nozzle added
    • Manage response improved: possibility to preheat nozzle
    • Fixed First layer calibration/Wizard
    • Filament sensor (dependency on optical sensor fixed)
    • T? menu changes feedrate fixed
    • Extruder stepper disabled during T-code execution (MK3 only)
    • Auto deplete menu improved
    • Filament change (M600): improved message synchronization

v3.4.2 (V1.0.2) MK3/MK2.5 Multi Material 2.0 (October 20, 2018)

This firmware version is specifically for users who use MK2.5 + MMU2 setup. If you are not using MMU2 or if you use MMU2 with MK3 printer it is not necessary to upgrade to this version.

  • MK2.5 + MMU2 setup loudness reduced - For corrent beahviour it is necessary to use MMU firmware 1.0.2 and higher when running MMU2 with MK2.5. Users who use MK3 printer do not need to upgrade their MMU2 firmware.
  • MK2.5 + MMU2 setup initialization - MK2.5 was unable to automatically detect MMU2 unit after turning on the printer. This has been fixed.

v3.4.1 (v1.0.1) MK3/MK2.5 Multi Material 2.0 (October 12, 2018)

  • New MMU2 board firmware v1.0.1
  • Filament runout detection fixed
  • Stealth mode bug (indicated as slow Z-axis movements) fixed
  • Message "Filament sensor response is poor, disable it?" has been temporarily disabled - this feature tended to be too sensitive and unreliable. We are working on improved version of this feature.
  • Statistics during active print fixed
  • OctoPrint "Printer reset detected" warning issue fixed

v3.4.1 MK3 (October 4, 2018)

  • Filament runout detection fixed
  • Stealth mode bug (indicated as slow Z-axis movements) fixed
  • Message "Filament sensor response is poor, disable it?" has been temporarily disabled - this feature tended to be too sensitive and unreliable. We are working on improved version of this feature.
  • Statistics during active print fixed
  • OctoPrint "Printer reset detected" warning issue fixed

v3.4.1 MK2.5 (October 4, 2018)

  • Filament runout detection fixed
  • Silent mode bug (indicated as slow Z-axis movements) fixed
  • Message "Filament sensor response is poor, disable it?" has been temporarily disabled - this feature tended to be too sensitive and unreliable. We are working on improved version of this feature.
  • Statistics during active print fixed
  • OctoPrint "Printer reset detected" warning issue fixed

v3.4.1 (0.9.0) MK3/MK2.5 Multi Material 2.0 (October 4, 2018)

  • Filament runout detection fixed
  • Stealth mode bug (indicated as slow Z-axis movements) fixed
  • Message "Filament sensor response is poor, disable it?" has been temporarily disabled - this feature tended to be too sensitive and unreliable. We are working on improved version of this feature.
  • Statistics during active print fixed
  • OctoPrint "Printer reset detected" warning issue fixed

v3.4.0 MK3 (September 12, 2018)

  • Multi Material Upgrade 2.0 support
  • Filament sensor engine 2.0
  • Improved power panic
  • Adjustable beeper notifications
  • Feedrate and acceleration limits improved
  • PINDA state shown in menu
  • Time remaining fix

v3.4.0 MK2.5 (September 12, 2018)

  • Multi Material Upgrade 2.0 support
  • Filament sensor engine 2.0
  • Adjustable beeper notifications
  • Time remaining fix

v3.4.0 MK3/MK2.5 Multi Material 2.0 (September 12, 2018)

  • Multi Material Upgrade 2.0 support
  • Filament sensor engine 2.0
  • Improved power panic
  • Adjustable beeper notifications
  • Feedrate and acceleration limits improved
  • PINDA state shown in menu
  • Time remaining fix

v3.4.0 RC2 MK3/MK2.5 Multi Material 2.0 (August 30, 2018)

  • Initial MMU 2.0 release

v3.3.1 MK3 (July 16, 2018)

  • Filament statistics fix
  • Fixed bug of G28 (auto home) gcode which used to cause undesired execution of mesh bed leveling after temperature calibration and occasional communication timeouts
  • Load filament improvement (if current Z coordinate is lower than 20 mm when loading filament starts, the printer will increase Z-axis position to ensure, that there will always be enough space for cleaning the nozzle)
  • Setup function fix

v3.3.1 MK2.5 (July 16, 2018)

  • Filament statistics fix
  • Fixed bug of G28 (auto home) gcode which used to cause undesired execution of mesh bed leveling after temperature calibration and occasional communication timeouts
  • Load filament improvement (if current Z coordinate is lower than 20 mm when loading filament starts, the printer will increase Z-axis position to ensure, that there will always be enough space for cleaning the nozzle)
  • Setup function fix

v3.3.0 MK3 (July 2, 2018)

  • Recurring crash detection limit
  • Crash detection and filament runout detection improvements and bugfixes (focused on Octoprint and USB printing)
  • Fixed erroneous movements during stop print
  • Supports multiple new languages (CZ, IT, DE, PL, ES) - It is necessary to use new Drivers & Apps v2.1.8 or higher to flash firmware with all language variants.
  • M86 gcode for safety timer
  • Temperature calibration improvements
  • Power panic fix
  • Supports remaining time estimation

v3.3.0 MK2.5 (July 2, 2018)

  • Filament runout detection fixes and improvements (focused on Octoprint and USB printing)
  • Fixed erroneous movements during stop print
  • Different language variants (CZ, IT, ES, DE, PL) - English is included in all versions
  • M86 gcode for safety timer
  • Temperature calibration improvements
  • Supports remaining time estimation

v3.2.1 MK3 (May 18, 2018)

  • Patch release (see 3.2.0 changelog for the complete list of new features)
  • Fixed Wizard and Live adjust Z
  • XYZ calibration status has been improved

v3.2.1 MK2.5 (May 18, 2018)

  • Patch release (see 3.2.0 changelog for the complete list of new features)
  • Fixed Wizard and Live adjust Z
  • XYZ calibration status has been improved

v3.2.0 MK3 (May 10, 2018)

  • Linear advance is back!
  • New xyz calibration
  • Filament sensor function improved
  • Safety timer
  • Gcodes for setting temperature correction
  • Extruder linearity correction
  • Stealth mode for Z axis
  • Z calibration / mesh bed leveling: stall guard
  • Temperature calibration improved

v3.2.0 MK2.5 (May 10, 2018)

  • Linear advance is back!
  • Filament sensor function improved
  • Safety timer
  • Gcodes for setting temperature correction
  • Rambo 1.0 support
  • Temperature calibration improved

v3.1.4 MK2.5 (April 10, 2018)

  • More reliable and faster XYZ calibration with “image processing”.
  • Measurement point searching algorithm has been improved to supress “false targets” caused by heating meander near measurement point.

v3.1.3 MK3 (March 8, 2018)

  • More friendly Selftest – sensitivity of axes checks were decreased
  • Fixed flow setting from LCD menu and flow rate fix – extrusion multiplier was always set to 100%

v3.1.2 MK3 (March 3, 2018)

  • Low layer height (50um and 100um) printing is fixed
  • Precise homing implemented to remove slight layer shifts when rehoming after PowerPanic or crash. Self test will be re-run automatically to enable this
  • Improved FAN RPM sensing to reduce number of false alarms

v3.1.1 MK3 (February 5, 2018)

  • Filament sensor is more reliable – higher FPS set and when runout is triggered one additional check is done
  • Fail stats is split into last print and total menus. Crash detection is also split into X and Y axis
  • Fan error will not prevent from continuing the print when using OctoPrint
  • Print fan error or pause during rehoming will perform correctly now
  • Preheat temperatures updated
  • Temperature calibration now informs user about the conditions needed
  • Better serial communication

v3.1.0 MK2SMK2/S Multi Material 1.0MK2 (November 12, 2017)

  • Linear Advance
  • Wizard
  • Host keep alive messages – better OctoPrint compatibility
  • Sorting files in SD card menu by date or name
  • Check if file is complete
  • First layer calibration – V2 integrated into FW
  • Auto power mode
  • XYZ calibration details menu improved
  • PID calibration safety check
  • M220: Speed factor
  • Saving E steps per mm to EEPROM fixed
  • Long filename scrolling is improved
  • Read more about this major version at prusaprinters.org
  • There’s a known bug using Repetier server, please wait for the next release if you’re using it

v3.1.0 MK2SMK2/S Multi Material 1.0MK2 (November 12, 2017)

  • Linear Advance
  • Wizard
  • Host keep alive messages
  • Sorting files in SD card menu
  • Check if file is complete
  • First layer calibration
  • Auto power mode
  • XYZ calibration details menu fixed
  • PID calibration safety check
  • M220: Speed factor
  • Saving E steps per mm to EEPROM fixed
  • Improved "Print from SD" menu

v3.0.12 MK2SMK2/S Multi Material 1.0MK2MK1 (June 23, 2017)

  • 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

v3.0.11 MK2SMK2 (May 19, 2017)

  • Move Z shortcut
  • Improved pause print
  • PID calibration menu
  • PID values for bed saving
  • Receiving commands via serial improved
  • Temperature calibration
  • Improved xyz calibration
  • Encoder clicks and PT100
  • Selftest bug fixed
  • Heatbed preheat error
  • Corrected German language messages

v3.0.10 MK2SMK2 (February 18, 2017)

  • Loose pulleys test added to self test
  • Statistics fixed
  • PID tuning fixed and saving parameters to EEPROM enabled
  • Stop print function fixed
  • Load filament function improved
  • Stack guard added
  • Xyz calibration updated
  • Factory reset has new menu
  • Missing "Move Z" option fixed

v3.0.9 MK2SMK2 (October 21, 2016)

  • Self test now include both nozzle and print cooling fan
  • More descriptive user messages during the calibration flow
  • Temperature safety checks are now added in preheat process. This was a bug inherited from original MarlinFW

v3.0.8 MK2SMK2 (September 22, 2016)

  • Reset live adjust on XYZ calibration
  • Disable timeouts in the XYZ/Z calibration
  • Don’t modify feed rate multiplier during the XYZ/Z calibration
  • Support multi screen messages in the XYZ/Z calibration – “move the Z carriages up” step
  • Support up to three lines in the XYZ/Z calibration messages
  • Added a new message “Measuring reference height of calibration point xx of 9”
  • Changed the “move the Z carriages up” message to suggest rotating the knob
  • Changed the “live adjust not set” message to reference the manual chapter and section
  • Remove debugging serial line output on Z calibration
  • Speed up of a path planner by rewriting some of the processing intensive parts from floating point to fixed point arithmetics
  • Improved accuracy of the diagonal movements by oversampling the line discretisation

v3.0.7 MK2SMK2 (August 22, 2016)

  • Typos fixed
  • First start flow reorganised
  • Z_MIN problem fixed
  • Calibration routine made safer
  • Stop print routine fix

v3.0.6 MK2SMK2 (August 8, 2016)

  • Menu has been reorganized
  • Internal improvements of the menu system
  • Fixed a stack overflow
  • Improvements of the Live Adjust function (please rerun the First layer calibration)
  • Fixed the “Stop Print” function
  • Enabled a high power mode when first booted up on a brand new RAMBo board
  • Updated Spanish, Italian and Polish texts
  • Toshiba FlashAir SD card support is now switchable
  • “Calibrating nth point” message is shown during mesh bed levelling
  • New feature: Bed leveling adjustment
  • Improvements to fo fire safety
  • Improved unload filament function
  • Z-MIN set back to 0.15mm

v3.0.3 MK2SMK2 (June 12, 2016)

  • G28 won’t run bed levelling when called with X or Y parameters
  • Factory reset will clear the Live adjust Z settings (helpful for upgraded printers)

v3.0.2 MK2SMK2 (June 6, 2016)

  • Better homing
  • Homing without calibration
  • Live adjust Z fix
  • Fixed Z motor current

v3.0.0 MK2SMK2MK1 (May 19, 2016)

  • Original Prusa i3 MK2 support
  • Printer selftest function added
  • Print statistics function added
  • Improved stop print menu Autocalibration (MK2 only)
  • Thermal runaway reimplementation

v2.2.4 MK1 (March 12, 2016)

  • Language support for English, Czech, Spanish, Italian and Polish.

v2.2.3 MK1 (February 21, 2016)

  • Live adjust Z function added. It is enabled during printing of the first layer as the second option in menu.
  • Multi-language support (EN-CZ-ES so far) - you can choose the language during the first boot and later in the settings.
  • Quiet or HiPower mode for motors in the settings. HiPower mode is for very large and heavy objects.
  • More information in support menu

v2.2.1 MK1 (December 18, 2015)

  • Auto correction of the LCD glitches.
  • Long filenames are scrolling on the LCD.

v2.1.0 MK1 (September 28, 2015)

  • Changed speeds for filament change.
  • Motors are disabled when print is stopped from LCD menu.

v2.0.0 MK1 (September 24, 2015)

  • New LCD menu :-)
  • Support for ColorPrint

Older versions