<ul>
<li>Adjustments to the Selftest</li>
</ul>

4.6.2

<ul>
<li>Extend all timers to 255 minutes</li>



<li>IPA Filtering (new feature)</li>



<li>Wash cycles (new feature)</li>



<li>New heating algorithm</li>



<li>Automatic fans control</li>



<li>Factory reset option</li>



<li>Improved self-test</li>



<li>Bugfixes</li>
</ul>

3.3.0

<ul>
<li>MK3 G-code compatibility</li>



<li>New Home screen&nbsp;</li>



<li>Homing improvements</li>



<li>Changes to Live Adjust Z</li>



<li>Footer Items settings improved&nbsp;</li>



<li>Prusa Connect and PrusaLink improvements</li>



<li>Improvements to the Factory Reset feature </li>



<li>Bugfixes</li>
</ul>

4.6.1

<ul>
<li>New Home screen </li>



<li>Homing improvements</li>



<li>Changes to Live Adjust Z</li>



<li>Footer Items settings improved&nbsp;</li>



<li>Prusa Connect and PrusaLink improvements</li>



<li>Improvements to the Factory Reset feature&nbsp;</li>



<li>Calibrations and Tests on improvements</li>



<li>Tool changer usage statistics</li>



<li>Bugfixes</li>
</ul>

<ul>
<li>Initial online version</li>
</ul>

1.01

<ul>
<li>Initial release for Original Prusa MK4</li>
</ul>

4.5.4

<ul>
<li>Original Prusa MK4 profiles</li>
</ul>

2.5.2

<ul>
<li>Improved 'Monotonic lines' fill pattern</li>



<li>Improved Acceleration control</li>



<li>Specific object arrangement for XL</li>



<li>Original Prusa XL profiles</li>



<li>Updated translations</li>



<li>Bugfixes</li>
</ul>

2.5.1

<ul>
<li>Initial release for Original Prusa XL</li>
</ul>

4.5.3

1.00

<ul>
<li>Thermal model updates</li>



<li>Update on E3D Revo</li>



<li>Self Test message fixed</li>



<li>FLC procedure updated</li>



<li>List of pull requests</li>
</ul>

3.12.2 (1.0.6)

<ul>
<li>Self Test message fixed</li>



<li>FLC procedure updated</li>



<li>List of pull requests</li>
</ul>

3.12.2

<ul>
<li>Thermal model - important info</li>



<li>Restore correct RPM for fans</li>



<li>Set the calibration state when running M310 A</li>



<li>Max Z-coordinate during Nozzle Change</li>



<li>Message selection fix</li>



<li>Known issues</li>
</ul>

3.12.1

<ul>
<li>Max Z-coordinate during Nozzle Change</li>



<li>Beeping after Factory reset fixed</li>



<li>Message selection fix</li>



<li>Known issues</li>
</ul>

<ul>
<li>Thermal model - important info</li>



<li>Restore correct RPM for fans</li>



<li>Set the calibration state when running M310 A</li>



<li>Non-responding MMU2S fixed</li>



<li>Max Z-coordinate during Nozzle Change</li>



<li>Beeping after Factory reset fixed</li>



<li>Message selection fix</li>



<li>Known issues</li>
</ul>

3.12.1 (1.0.6)

<ul>
<li>Wi-Fi auto-reconnect fixed</li>



<li>Improved Wi-Fi (ESP) flashing</li>



<li>RTC fixed</li>



<li>Additional hotend protection</li>



<li>UI fixes</li>



<li>New error code URL</li>



<li>Improved bootstrap</li>



<li>Known issues</li>
</ul>

4.4.1

<ul>
<li>New thermal model protection</li>



<li>Nozzle change menu</li>



<li>NylonPA sheet profile added</li>



<li>Arc interpolation features G2/G3</li>



<li>UI improvements and fixes</li>



<li>Bug fixes</li>
</ul>

3.12.0

<ul>
<li>New thermal model protection</li>
<li>Nozzle change menu</li>
<li>NylonPA sheet profile added</li>
<li>Arc interpolation features G2/G3</li>
<li>UI improvements and fixes</li>
<li>Bug fixes</li>
</ul>

<ul>
<li>Fixed bugs</li>
<li>Known issues</li>
</ul>

1.7.1

<ul>
<li>Support for Wi-Fi (ESP-01 &amp; ESP-01S)</li>
<li>PrusaLink updated</li>
<li>Network menu updated</li>
<li>Networking improvements</li>
<li>GUI improvements</li>
<li>Selftest improvements</li>
<li>Known issues</li>
<li>Bug fixes</li>
</ul>

4.4.0

<ul>
<li>New perimeter generator Arachne</li>
<li>STEP file format support</li>
<li>Lightning infill</li>
<li>Improved seam placement based on the visibility</li>
<li>Pressure equalizer</li>
<li>New printer and material profiles</li>
<li>Many bugfixes and smaller improvements</li>
<li>Offline unattended installation for mass deploys (in Drivers &amp; Apps package installator).</li>
</ul>

2.5.0

<ul>
<li>Initial release</li>
</ul>

1.7.0

<ul>
<li>Updates related to Printables.com</li>
<li>Several small changes</li>
</ul>

3.17

1.09

<ul class="p-rich_text_list p-rich_text_list__bullet" data-stringify-type="unordered-list" data-indent="0" data-border="0">
<li data-stringify-indent="0" data-stringify-border="0">Updated translations</li>
<li data-stringify-indent="0" data-stringify-border="0">Added profiles for Snapmaker printers</li>
<li data-stringify-indent="0" data-stringify-border="0">Added profiles for Zonestar printers</li>
<li data-stringify-indent="0" data-stringify-border="0">Bug fixes</li>
</ul>

2.4.2

<ul>
<li>Initial release for the CW1S</li>
</ul>

1.02

<ul>
<li>Support for new rear fan</li>
<li>Support for new DAC converter</li>
</ul>

1.6.6

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

3.11.0 (1.0.6)

3.11.0

<ul>
<li>New community translations</li>
<li>Added LCD support for <code>äöüß</code> and <code>μ</code></li>
<li>SN check fixed</li>
<li>Changes to on-screen messages</li>
<li>Known issue (LCD glitches)</li>
</ul>

<ul>
<li>G-Code Substitutions</li>
<li>Added profiles for Anycubic 4Max Pro 2.0</li>
<li>Added Artillery Hornet profile</li>
<li>Added RatRig V-Core and V-Minion bundle</li>
<li>Added Jubilee bundle</li>
</ul>

2.4.1

<ul>
<li>Added support for M1</li>
<li>Bug fixes</li>
</ul>

1.6.4

<ul>
<li>Multi-material painting</li>
<li>Improved supports and bridging</li>
<li>Shape gallery</li>
<li>Fuzzy skin</li>
<li>Windows dark mode</li>
<li>Brim for individual objects</li>
<li>Negative volumes</li>
<li>Automatic color change for logos and signs</li>
<li>Tip of the day notifications</li>
<li>Model simplification</li>
<li>Support for 3DLabPrint airplane models</li>
<li>New 3rd party printer profiles</li>
<li>…and more!</li>
</ul>

2.4.0

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

3.10.1

Printer firmware update (3.10.1)
<ul>
<li>New debugging functions &amp; crash analysis tools</li>
<li>A rare memory bug debugged and fixed</li>
<li>Long-Press action fixed</li>
<li>Move auto reporting out of the temperature ISR</li>
<li>Uint8_t used consistently for the block buffer's index</li>
<li>Arduino boards definition updated</li>
<li>Build script updated</li>
<li>Algorithm for reading SN in EEPROM improved</li>
<li>Spanish translation fixed</li>
<li>Firmware version parsing removed</li>
<li>Bug fixes</li>
</ul>
MMU2 Unit firmware update (v1.0.6)
<ul>
<li>Improved stealth mode</li>
<li>Unload speed decreased</li>
<li>Disabled unwanted selector movement</li>
<li>Automatic idler disengagement</li>
</ul>

3.10.1 (1.0.6)

<ul>
<li>Support for PrusaSlicer 2.4</li>
<li>Time Zones extended</li>
<li>Satin sheet profiles added</li>
</ul>

4.3.4

<ul>
<li>Support for custom extruders</li>
<li>Thermal regulation for custom extruders</li>
<li>Extended print statistics</li>
<li>Nozzle pressurizing improved</li>
<li>Translations updated</li>
<li>BSOD caused by a broken thermistor fixed</li>
<li>Print timer fixed</li>
</ul>

4.3.3

This release includes two changes in the user interface and several bug fixes for the SL1 and SL1S:
<ul>
<li>Preprint workflow changed</li>
<li>Print profile selection added to PrusaLink</li>
</ul>
See full release log for more details.

1.6.3

This release is a small hotfix for the SL1 and SL1S:
<ul>
<li>Factory reset fixed</li>
</ul>
See full release log for more details.

1.6.2

<ul>
<li>Initial release reflecting the new features and changes in the Original Prusa SL1S SPEED</li>
</ul>

1.06

The firmware can be installed on both SL1 and SL1S SPEED, it will recognize the printer based on the print display and set the parameters accordingly. This firmware is required for the upgrade from SL1 to SL1S.
<ul>
<li style="font-weight: 400;" aria-level="1">New print display driver</li>
<li style="font-weight: 400;" aria-level="1">Support for diacritics in filenames</li>
<li style="font-weight: 400;" aria-level="1">Improved display counter</li>
<li style="font-weight: 400;" aria-level="1">PrusaLink improvement</li>
<li style="font-weight: 400;" aria-level="1">Preprint checks</li>
<li style="font-weight: 400;" aria-level="1">Increased space for user prints</li>
<li style="font-weight: 400;" aria-level="1">Other improvements and bug fixes</li>
</ul>

1.6.1

<ul class="p-rich_text_list p-rich_text_list__bullet" data-stringify-type="unordered-list" data-indent="0">
<li data-stringify-indent="0">Upgraded USB drivers</li>
<li data-stringify-indent="0">Upgraded Newlib library</li>
<li data-stringify-indent="0">FatFs library upgrade</li>
<li data-stringify-indent="0">Saving of self-test results</li>
<li data-stringify-indent="0">Fixed bugs</li>
</ul>

4.3.2

<ul>
<li>Steel sheets chapters updated with the info about Satin sheets</li>
<li>The separate chapter about Satin sheets added</li>
<li>Chapter Printer unpacking and proper handling updated</li>
<li>Chapter LCD Menu updated according to the latest firmware</li>
<li>Language Settings chapter updated</li>
<li>Dump memory chapter added</li>
<li>Info about 0.8mm nozzle added</li>
<li>Small updated in Materials chapters</li>
</ul>

3.16

<ul class="p-rich_text_list p-rich_text_list__bullet" data-stringify-type="unordered-list" data-indent="0">
<li data-stringify-indent="0">Support for CW1S</li>
<li data-stringify-indent="0">The drying temperature increased (CW1S)</li>
<li data-stringify-indent="0">Drying session extended</li>
<li data-stringify-indent="0">Hold platform (new feature)</li>
<li data-stringify-indent="0">Improved translations</li>
</ul>

3.1.0

<ul>
<li>PrusaSlicer 2.3.3
<ul>
<li>Patch release - fixing the bug in handling FDM multi-material project and configuration files</li>
</ul>
</li>
</ul>

2.3.3

The firmware can be installed on both SL1 and SL1S SPEED, it will recognize the printer based on the print display and set the parameters accordingly.
<ul>
<li>Updated Wizards and Selftest wizard</li>
<li>SL1S SPEED print profiles</li>
<li>Speed of first layers</li>
<li>Automatic print adjustments (large objects)</li>
<li>New power button behavior</li>
<li>Transition to DBus for IPC</li>
<li>Improved translations and localisations</li>
<li>Improved screensaver</li>
<li>Improved logging procedure</li>
<li>PrusaLink updates</li>
<li>Print display time counter</li>
<li>Improved cooling</li>
<li>Screen compositor Weston</li>
</ul>

1.6.0

Printer firmware update (3.10.0)
<ul>
<li>New "Print from SD" menu</li>
<li>"Time Remaining" function improved</li>
<li>Community translations</li>
<li>Faster and quieter XYZ calibration</li>
<li>Optimizations for the MK3 filament sensor</li>
<li>PVB preheat preset</li>
<li>Satin sheet profiles</li>
<li>G-code "M204 T" implemented</li>
<li>Improved filament troubleshooting</li>
<li>Support for 0.8mm nozzles</li>
<li>Optimizations for print hosts (e.g. Octoprint)</li>
<li>Optimized code size and RAM usage</li>
<li>File listing adjusted for remote printing software</li>
<li>Z offset during M600 reverted</li>
<li>Factory reset menu extended</li>
</ul>
MMU2 Unit firmware update (v1.0.6)
<ul>
<li>Improved stealth mode</li>
<li>Unload speed decreased</li>
<li>Disabled unwanted selector movement</li>
<li>Automatic idler disengagement</li>
</ul>

3.10.0 (1.0.6)

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

3.10.0

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

<ul>
<li>QR Error codes</li>
<li>Redesigned Settings menu</li>
<li>Advanced Prusa Connect Local</li>
<li>One-click print functionality</li>
<li>Top bar notifications</li>
<li>Firmware upgrade &amp; downgrade</li>
<li>Backlight and screensaver control</li>
<li>Project files thumbnails</li>
<li>Log upload improved</li>
<li>Print statistics</li>
<li>Others</li>
<li>Fixed bugs</li>
</ul>

1.5.0

<ul>
<li>X-axis error during Wizard fixed</li>
<li>Safety timer not activated fixed</li>
</ul>

4.3.1

<ul>
<li>New graphics for Live adjust Z</li>
<li>Added support for PVB material</li>
<li>QR Error codes</li>
<li>Print sheet profiles</li>
<li>New fan management</li>
<li>Improved selftest and wizard</li>
<li>First layer calibration updated</li>
<li>The improved filament change process</li>
<li>More improvements and bug fixes</li>
</ul>

4.3.0

Printer firmware update (3.9.3)
<ul>
<li>Redesigned XYZ calibration, which is now more precise</li>
<li>Support for MK2.5S with SuperPINDA</li>
</ul>
MMU2 Unit firmware update (v1.0.6)
<ul>
<li>Improved stealth mode</li>
<li>Unload speed decreased</li>
<li>Disabled unwanted selector movement</li>
<li>Automatic idler disengagement</li>
</ul>

3.9.3 (1.0.6)

<ul>
<li>Redesigned XYZ calibration, which is now more precise</li>
<li>Support for MK2.5/MK2.5S with SuperPINDA</li>
</ul>

3.9.3

<ul>
<li>Redesigned XYZ calibration, which is now more precise</li>
</ul>

<ul>
<li>Changes related to MK3S+ release</li>
</ul>

<ul>
<li>Changes related to MINI+ release</li>
</ul>

1.0.7

<ul>
<li>Changes related to MK3S+ release</li>
<li>Linear advance 1.5 chapter updated</li>
<li>Dozens of small changes</li>
</ul>

3.15

Printer firmware update (3.9.2)
<ul>
<li>XYZ calibration optimization - (MK3S/+)</li>
</ul>
MMU2 Unit firmware update (v1.0.6)
<ul>
<li>Improved stealth mode</li>
<li>Unload speed decreased</li>
<li>Disabled unwanted selector movement</li>
<li>Automatic idler disengagement</li>
</ul>

3.9.2 (1.0.6)

<ul>
<li>XYZ calibration optimization - SuperPINDA compatibility (<a href="https://blog.prusaprinters.org/november2020_update_original_prusa_i3_mk3splus_miniplus_mini_kit_satin_steel_sheet_40870/" target="_blank" rel="noopener noreferrer">more info</a>)</li>
</ul>

3.9.2

Printer firmware update (3.9.1)
<ul>
<li>Major improvements to LA15</li>
<li>Support for parts from selected vendors</li>
<li>Ambient temperature check (MK3S)</li>
<li>PC Blend preheat added</li>
<li>Stack corruption fixed</li>
<li>More precise Belt test (MK3S)</li>
<li>Octoprint causing M112 fixed</li>
</ul>
MMU2 Unit firmware update (v1.0.6)
<ul>
<li>Improved stealth mode</li>
<li>Unload speed decreased</li>
<li>Disabled unwanted selector movement</li>
<li>Automatic idler disengagement</li>
</ul>

3.9.1 (1.0.6)

<ul>
<li>Major improvements to LA15</li>
<li>Support for parts from selected vendors</li>
<li>PC Blend preheat added</li>
<li>Stack corruption fixed</li>
<li>Octoprint causing M112 fixed</li>
</ul>

3.9.1

<ul>
<li>Major improvements to LA15</li>
<li>Support for parts from selected vendors</li>
<li>Ambient temperature check</li>
<li>PC Blend preheat added</li>
<li>Stack corruption fixed</li>
<li>More precise Belt test</li>
<li>Octoprint causing M112 fixed</li>
</ul>

<ul>
<li>UV calibration algorithm updated</li>
<li>Fixed cover check after resin refill</li>
</ul>

1.4.2

<ul>
<li>Random BSOD bug fixed</li>
</ul>

4.2.1

<ul class="p-rich_text_list p-rich_text_list__bullet" data-stringify-type="unordered-list" data-indent="0">
<li>Code refactoring and optimizations</li>
<li>Firmware localized into 7 languages</li>
<li>Resin preheat</li>
<li>Extended curing time</li>
<li>Factory self-test</li>
</ul>

3.0.0

<ul>
<li>Reflects changes introduced in FW 3.0.0</li>
</ul>

<ul class="p-rich_text_list p-rich_text_list__bullet" data-stringify-type="unordered-list" data-indent="0">
<li>Fixed missing timezones</li>
<li>Fixed UV calibrator disconnection</li>
<li>Fixed data corruption on USB</li>
<li>Fixed resin volume warning</li>
<li>Fixed preprint warning delay</li>
<li>Fixed "printer is not calibrated" message during calibration</li>
<li>Improved system logs</li>
<li>Other bug fixes</li>
</ul>

1.4.1

<ul>
<li>Firmware localized into 7 languages&nbsp;(English, French, Italian, German, Spanish, Czech, Polish)</li>
<li>New sound volume option</li>
<li>Pause print from USB (M601) fixed</li>
<li>Printer beeping in silent mode fixed</li>
</ul>

4.2.0

<ul class="p-rich_text_list p-rich_text_list__bullet" data-stringify-type="unordered-list" data-indent="0">
<li>Automatic print pause after an accidental USB drive removal. Resume print option is available after the USB drive is re-inserted.</li>
<li>Printer acoustic signalization - you can choose the level in Settings -&gt; Sound mode</li>
<li>Support for NTP servers for getting the current time (internet connection required)</li>
<li>Filament load/unload procedure adjusted</li>
<li>Preheat function improved</li>
<li>Tune menu extended with "LAN settings", "Version info" and "Sound mode" submenus</li>
<li>File browser improved</li>
<li>Horizontal scrolling text function added</li>
<li>Octoprint screen further improved</li>
<li>Faster print head heat-up process</li>
<li>Fixed bugs and minor improvements (see the full changelog)</li>
</ul>

4.1.0

<ul>
<li>Added information reflecting changes in firmware 1.4.0</li>
<li>Added instructions on print display replacement and UV LED panel calibration</li>
<li>Updated firmware update information</li>
</ul>

1.05

<div class="p-rich_text_section">Reflects changes introduced in FW 3.9.0:</div>
<ul>
<li class="p-rich_text_section">First layer calibration chapter updated</li>
<li class="p-rich_text_section">Linear Advance chapter updated</li>
<li class="p-rich_text_section">Display brightness chapter added</li>
<li class="p-rich_text_section">LCD menu structure updated</li>
<li class="p-rich_text_section">MINTEMP information updated</li>
</ul>

2.62

To install this version you have to update from 1.3.0 or newer.
<ul>
<li>User UV calibration (<a href="http://help.prusa3d.com/guide/how-to-replace-the-print-display-sl1_133295">calibration guide</a>)</li>
<li>Parallel pre-print checks</li>
<li>Manual check for firmware updates</li>
<li>Simplified fan checks</li>
<li>Upload notifications redesigned</li>
<li>Fixed bugs</li>
</ul>

1.4.0

<div class="p-rich_text_section">Reflects changes introduced in FW 3.9.0:</div>
<ul>
<li class="p-rich_text_section">First layer calibration chapter updated</li>
<li class="p-rich_text_section">Linear Advance chapter updated</li>
<li class="p-rich_text_section">Display brightness chapter added</li>
<li class="p-rich_text_section">Filament sensor information updated</li>
<li class="p-rich_text_section">LCD menu structure updated</li>
<li class="p-rich_text_section">MINTEMP information updated</li>
</ul>

3.14

This is a major release, please, update!Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers
<ul>
<li>Linear Advance 1.5</li>
<li>Automatic E-jerk conversion</li>
<li>New G-code files sorting</li>
<li>Show current Z offset in reset dialog before first layer calibration</li>
<li>Unknown Z coordinate displayed</li>
<li>Safer moves in Z-axis, if the position is unknown</li>
<li>Heating disabled during MBL</li>
<li>MINTEMP error differentiated</li>
<li>Flickering “Statistics” screen fixed</li>
<li>Tone timer re-enabled</li>
<li>Belt test improvements</li>
<li>Decoupling XYZ relative and E relative</li>
</ul>

3.9.0

This is a major release, please, update!Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers
<ul>
<li>Linear Advance 1.5</li>
<li>Automatic E-jerk conversion</li>
<li>Screen brightness adjustment</li>
<li>Filament sensor recognition</li>
<li>New G-code files sorting</li>
<li>Toggle and Translations</li>
<li>Show current Z offset in reset dialog before first layer calibration</li>
<li>Unknown Z coordinate displayed</li>
<li>Safer moves in Z-axis, if the position is unknown</li>
<li>Heating disabled during MBL</li>
<li>MINTEMP value lowered</li>
<li>MINTEMP error differentiated</li>
<li>Flickering “Statistics” screen fixed</li>
<li>Tone timer re-enabled</li>
<li>Nozzle crash protection improved</li>
<li>Belt test improvements</li>
<li>Decoupling XYZ relative and E relative</li>
</ul>

This is a major release, please, update!Stats: 409 commits, 108 pull requests, 66 closed issues, cooperation with 14 developers
<ul>
<li>Linear Advance 1.5</li>
<li>Automatic E-jerk conversion</li>
<li>Laser filament sensor sensitivity fix</li>
<li>Screen brightness adjustment</li>
<li>New G-code files sorting</li>
<li>Toggle and Translations</li>
<li>Show current Z offset in reset dialog before first layer calibration</li>
<li>Unknown Z coordinate displayed</li>
<li>Safer moves in Z-axis, if the position is unknown</li>
<li>Heating disabled during MBL</li>
<li>MINTEMP value lowered</li>
<li>MINTEMP error differentiated</li>
<li>Flickering “Statistics” screen fixed</li>
<li>Tone timer re-enabled</li>
<li>Nozzle crash protection improved</li>
<li>Belt test improvements</li>
<li>Decoupling XYZ relative and E relative</li>
</ul>

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)
<ul>
<li>Linear Advance 1.5</li>
<li>Automatic E-jerk conversion</li>
<li>Screen brightness adjustment (MK3S)</li>
<li>Filament sensor recognition (MK3S)</li>
<li>New G-code files sorting</li>
<li>Toggle and Translations (MK3S)</li>
<li>MMU2S selector blade activated</li>
<li>Show current Z offset in reset dialog before first layer calibration</li>
<li>Unknown Z coordinate displayed</li>
<li>Safer moves in Z-axis, if the position is unknown</li>
<li>Heating disabled during MBL</li>
<li>MINTEMP value lowered (MK3S)</li>
<li>MINTEMP error differentiated</li>
<li>Flickering “Statistics” screen fixed</li>
<li>Tone timer re-enabled</li>
<li>Nozzle crash protection improved (MK3S)</li>
<li>MMU runout for unknown filament fixed</li>
<li>Belt test improvements</li>
<li>Decoupling XYZ relative and E relative</li>
</ul>
MMU2 Unit firmware update (v1.0.6)
<ul>
<li>Improved stealth mode</li>
<li>Unload speed decreased</li>
<li>Disabled unwanted selector movement</li>
<li>Automatic idler disengagement</li>
</ul>

3.9.0 (1.0.6)

P.I.N.D.A. sensor

Thermistor

Filament sensor

M.I.N.D.A. sensor

MINI

Tube fitting

Print fan

USB port

Power Button

Liquid Resin

Curing / Solidifying

Lid (SL1)

Whole mechanical assembly of SL1 print platform

Tilt

Tank

Selector knob

Filament buffer

Wipe tower / Purge tower

Micro USB port

Reset button

Firmware

Long PTFE between an extruder motor and hotend

Bowden tube

Controller board

Blade

Hotend

Ethernet port (LAN)

Power switch

Extruder / Extruder motor

Nozzle

Print head

Extruder PTFE tube (bowden MINI)

LCD screen

Spool holder

SL1 file (*.sl1)

Print display (SL1)

Heatbed

Belt tension

Extruder

Flexible steel sheet

Chimney (IR-sensor-holder-MMU2S)

Control Buttons (MMU2S)

Indicator LEDs (MMU2S)

Selector motor (MMU2S)

Pulley motor (MMU2S)

Idler motor (MMU2S)

F.I.N.D.A. sensor (MMU2S)

Live Adjust Z

PrusaSlicer

Filament tip

Tension Screws (MMU2S)

Idler screw

Print speed

Heater cartridge

Filament sensor introduced with the S-upgrade of MK3 and MMU2

IR filament sensor

Selector (MMU2S)

MMU idler (MMU2S)

Diameter of filament compatible with Original Prusa printers.

Downloads

Still have questions?