Firmware 3.7.2-RC1 for Original Prusa MMU2S & MMU2  

Firmware 3.7.2-RC1 for Original Prusa MMU2S & MMU2

Hi guys,
our devs just released firmware 3.7.2-RC1, which is a testing version for experienced users 😎

What is new?

• Improving the behaviour of repeated power panic
• Automatic fan self-test
• Checking the correct firmware version for the printer
• Mintemp fix
• 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
• A detailed description of changes:
• Improving the behaviour of repeated power panic
• Fixed several problematic situations when power panic is triggered in progress power panic recovery

Automatic fan self-test:

The self-test is more robust, fan control is automatic

Checking the correct firmware version for the printer:

Protection against unwanted uploading of the wrong type of firmware to the printer.

Mintemp fix:

If a mintemp error has occurred before, the printer just ignored the processed G-code, now the printer is restarted. Indeed, Mintemp can point to a serious mistake and thus restart printer is a safer solution.

Known issues:

Fan check

If a user does not correct the cause of the fan error and continues printing, the display does not show an error.
However, the printer does not continue to heat and expects user intervention.

Repeated power panic

In some cases of repeated power panic, printing may start a few tenths of a millimetre higher than it should.

We are working on solving these particular problems.

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Supported printers:

• Original Prusa i3 MK3S MMU2S
• Original Prusa i3 MK3S
• Original Prusa i3 MK3 MMU2
• Original Prusa i3 MK3
• Original Prusa i3 MK2.5S MMU2S
• Original Prusa i3 MK2.5S
• Original Prusa i3 MK2.5 MMU2
• Original Prusa i3 MK2.5

Download link:

github.com/prusa3d/Prusa-Firmware/releases/tag/v3.7.2-RC1

Firmware flashing guide:

https://manual.prusa3d.com/Guide/Upgrading+the+firmware/66

Please report any bug here:

https://github.com/prusa3d/Prusa-Firmware/issues

As always, we wish you happy printing and look forward to your feedback!