github prusa3d/Prusa-Firmware-Buddy v6.1.4
6.1.4 Firmware for Original Prusa MK4S

14 hours ago

Summary

  • Shipping Preparation Option for Factory Reset

This is a stable release of firmware 6.1.4 for the MK4S with MMU3. This update introduces a new feature primarily to support internal shipping needs, ensuring that the bundled printer and MMU3 unit is configured correctly out of the box. Users don’t need to install this update unless specifically advised, as it is intended mainly for manufacturing and shipping support without impacting regular printer functionality.

Shipping Preparation Option for Factory Reset

A new "Shipping preparation" option has been added to the Factory Reset submenu. This option enables a factory reset that also pre-configures the printer's “Nextruder type” settings in the EEPROM before the machine restarts. This ensures that, when the customer first starts up their machine, it displays the correct printer type (MK4S) and Nextruder type (“MMU”).
After receiving the printer, users must complete the full setup wizard with the MMU disabled. This is necessary to calibrate key components, such as the filament sensor, which is required to enable MMU. Once the wizard is completed, users can activate the MMU3 manually.

Full Changelog: v6.1.3...v6.1.4

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