Firmware & Downloads

• 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

• PrusaLink and Prusa Connect updates
• PowerPanic improvements
• Mesh Bed Leveling (MBL) improvements
• New / Improved G-codes
• User Interface updates
• Community features
• Firmware development changes

• Fixed Ghost layer shifts
• Improved XYZ calibration

• XYZ calibration fixed

• MMU3 firmware support for MK3S
• Features by the Prusa community
  • E3D Revo support
  • Meatpack support
  • Do not preheat the heatbed on load/unload
  • Features and translations
• Support for G-Code M850
• First Layer Calibration - nozzle diameter
• PrusaLink improvements
• Build environment with cmake
• Known issues

• Thermal model updates
• Update on E3D Revo
• Self Test message fixed
• FLC procedure updated
• List of pull requests

• Thermal model - important info
• Restore correct RPM for fans
• Set the calibration state when running M310 A
• Non-responding MMU2S fixed
• Max Z-coordinate during Nozzle Change
• Beeping after Factory reset fixed
• Message selection fix
• Known issues

• New community translations
• Added LCD support for `äöüß` and `μ`
• SN check fixed
• Changes to on-screen messages
• Known issue (LCD glitches)

Printer firmware update (3.10.1)

• New debugging functions & crash analysis tools
• A rare memory bug debugged and fixed
• Long-Press action fixed
• Move auto reporting out of the temperature ISR
• Uint8_t used consistently for the block buffer's index
• Arduino boards definition updated
• Build script updated
• Algorithm for reading SN in EEPROM improved
• Spanish translation fixed
• Firmware version parsing removed
• Bug fixes

MMU2 Unit firmware update (v1.0.6)

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

Printer firmware update (3.10.0)

• New "Print from SD" menu
• "Time Remaining" function improved
• Community translations
• Faster and quieter XYZ calibration
• Optimizations for the MK3 filament sensor
• PVB preheat preset
• Satin sheet profiles
• G-code "M204 T" implemented
• Improved filament troubleshooting
• Support for 0.8mm nozzles
• Optimizations for print hosts (e.g. Octoprint)
• Optimized code size and RAM usage
• File listing adjusted for remote printing software
• Z offset during M600 reverted
• Factory reset menu extended

MMU2 Unit firmware update (v1.0.6)

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

Printer firmware update (3.9.3)

• Redesigned XYZ calibration, which is now more precise
• Support for MK2.5S with SuperPINDA

MMU2 Unit firmware update (v1.0.6)

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

Printer firmware update (3.9.2)

• XYZ calibration optimization - (MK3S/+)

MMU2 Unit firmware update (v1.0.6)

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

Printer firmware update (3.9.1)

• Major improvements to LA15
• Support for parts from selected vendors
• Ambient temperature check (MK3S)
• PC Blend preheat added
• Stack corruption fixed
• More precise Belt test (MK3S)
• Octoprint causing M112 fixed

MMU2 Unit firmware update (v1.0.6)

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

This is a major release, please, update!Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers Printer firmware update (3.9.0)

• Linear Advance 1.5
• Automatic E-jerk conversion
• Screen brightness adjustment (MK3S)
• Filament sensor recognition (MK3S)
• New G-code files sorting
• Toggle and Translations (MK3S)
• MMU2S selector blade activated
• Show current Z offset in reset dialog before first layer calibration
• Unknown Z coordinate displayed
• Safer moves in Z-axis, if the position is unknown
• Heating disabled during MBL
• MINTEMP value lowered (MK3S)
• MINTEMP error differentiated
• Flickering “Statistics” screen fixed
• Tone timer re-enabled
• Nozzle crash protection improved (MK3S)
• MMU runout for unknown filament fixed
• Belt test improvements
• Decoupling XYZ relative and E relative

MMU2 Unit firmware update (v1.0.6)

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

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

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

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

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.