6.1.4 Firmware for Original Prusa MK4S with MMU3
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.
Release notes: https://github.com/prusa3d/Prusa-Firmware-Buddy/releases/tag/v6.1.4
RE: 6.1.4 Firmware for Original Prusa MK4S with MMU3
Hello Jan,
is it planned to progress with bugs also? Eventually also implementing useful information on USB Print screen? Because to me as Octoprint user, this is very useful...
To me as a person from outside, it sometimes looks, that the GUI isn`t really user oriented, it seems that changes made based on the first idea...
I also mean espaciallly the toolhead menu chage in 6.2.0 alpha. To me, one of the most used GUI funtion, after Loading Filaments to nozzle and unload is "changing the nozzle diameter" in the menu, now this setting will move again another level down.
I often change the nozle, cause the printer features makes it easy, but for me changing the nozzle is more simple as changing the nozzle settings.
But anyway, as I knew, for USB print users it is useless to change nozzle diameter, because all features related USB Print which the MK3 has, were not implemented in the MK4, including GCode checks.
It feels, that the USB Print users should be discriminated with the target to use PrusaLink.
But for the most users, which ahs implemented 3rd party components with octoprint, PrusaLink is no option.
Greets Thorsten
RE: 6.1.4 Firmware for Original Prusa MK4S with MMU3
Hello,
I have a MK4S but not a MMU3.
After upgrading to 6.1.4 the filament change does not work anymore, it can't detect filament is removed and just hang...
I have downgraded to 6.1.3 and now it is working again.