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3.13.1 Firmware for MK2.5 and MK2.5S  

Same Old Shane
Member Admin
3.13.1 Firmware for MK2.5 and MK2.5S

Hello all, we are releasing a new firmware version that addresses a rare issue with calibrations. If you do not have this issue, then you do not need to update your firmware.  


  • XYZ calibration fixed

This is the stable release of firmware 3.13.1 addressing an issue discovered by the community and verified by our internal testing. If your printer has not experienced the problem described below, you can skip this update.

XYZ calibration fixed

Some printers encountered a problem during XYZ calibration where the Z-axis failed to lift correctly. This led to insufficient clearance for installing the steel sheet and, in some cases, resulted in the nozzle crashing into the heatbed. We have identified and fixed this issue in this release. This also resolves #4304.

Thanks to the community members reporting this issue: @jeepac@D-an-W@sdh2@sarusani@Patrick-Schmitt@bigsmalloverall@naldarn and @jwall87


Please report any bug here:

Download Link:

How to flash the firmware:

Shane (AKA FromPrusa)

Posted : 05/09/2023 2:44 pm