Firmware changelog

v3.7.2 MK3S (27 giugno 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 (27 giugno 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 (27 giugno 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 (27 giugno 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 (27 giugno 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 (27 giugno 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 (10 giugno 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 (6 giugno 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 MK3 (13 maggio 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 (13 maggio 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 (13 maggio 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 (13 maggio 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 (13 maggio 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.

v3.7.1 MK3S (13 maggio 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

v3.7.0 MK3 (1 aprile 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 (1 aprile 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 (1.0.5) MK3S/MK2.5S Multi Material 2S (1 aprile 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 (1 aprile 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.

v3.7.0 MK2.5 (1 aprile 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 MK2.5S (1 aprile 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

v3.6.0 (1.0.5) MK3/MK2.5 Multi Material 2.0 (1 marzo 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 MK2.5S (1 marzo 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 (1 marzo 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 (1 marzo 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 MK3 (1 marzo 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) MK3S/MK2.5S Multi Material 2S (1 marzo 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 MK3 (12 febbraio 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 (12 febbraio 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 (19 dicembre 2018)

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

v3.5.1 MK2.5 (19 dicembre 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 (19 dicembre 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 (18 dicembre 2018)

MMU2 Unit firmware update (v1.0.3)

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

v3.5.0 (v1.0.2) MK3/MK2.5 Multi Material 2.0 (22 novembre 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

v3.5.0 MK2.5 (22 novembre 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 MK3 (22 novembre 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

v3.4.2 (V1.0.2) MK3/MK2.5 Multi Material 2.0 (20 ottobre 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 (12 ottobre 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 (0.9.0) MK3/MK2.5 Multi Material 2.0 (4 ottobre 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 (4 ottobre 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 MK3 (4 ottobre 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 (12 settembre 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 (12 settembre 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 (12 settembre 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 (30 agosto 2018)

  • Initial MMU 2.0 release

v3.3.1 MK2.5 (16 luglio 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 MK3 (16 luglio 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 MK2.5 (2 luglio 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

v3.3.0 MK3 (2 luglio 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

v3.2.1 MK3 (18 maggio 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 (18 maggio 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 (10 maggio 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 (10 maggio 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 (10 aprile 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 (8 marzo 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%

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

  • Avanzamento lineare
  • Wizard
  • Host keep alive – migliore compatibilità con OctoPrint
  • Ordinamento dei file sul menu della scheda SD per data o nome
  • Verifica della completezza del file
  • Calibrazione primo strato – V2 integrata del FW
  • Modalità controllo automatico della potenza
  • Migliorie al menu dei dettagli della calibrazione XYZ
  • Verifica di sicurezza della calibrazione PID
  • Comando M220 per il controllo della velocità
  • Risolto il problema con il salvataggio dei passi per millimetro su EEPROM
  • Migliorie alla visualizzazione dei nomi file lunghi
  • Scoprite di più su questa nuova versione aprusaprinters.org
  • C’è n noto bug in Repetier, per favore attendete la prossima versine se lo usate.

v3.0.12 MK1 (23 giugno 2017)

  • Migliorata la calibrazione XYZ
  • I dettagli della calibrazione XYZ sono ora disponibili nel menu supporto
  • Riparato il selftest
  • MIgliorie allo scaricamento del filamento
  • Multi Material
  • Quando si ferma una stampa, all’utente viene chiesto quali filamenti scaricare
  • Aggiunto il gcode “T?”, che seleziona quale estrusore utilizzare prima della stampa
  • Aggiunto il supporto per la MK1

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