PASO 10
Encendido de la MMU
After finishing the firmware update, make sure there are no filaments loaded
neither in the extruder, or in the MMU unit.
Navigate to the LCD menu > Settings > MMU
and make sure the MMU is turned on.
This option not only turns on the MMU functionality in the firmware, but also
turns on the power for the MMU unit, which is necessary to do a FW update.
From now on, the reset button on the printer resets also the MMU unit. Wait for
a while, the MMU unit will go through the self-test routine. (accompanied by
flashing LED lights on the MMU unit) Wait until it boots up properly, before
issuing any commands to the printer.
Since you've converted the extruder to the MMU version, when prompted to
reconfigure the filament sensor's behavior, which will appear immediately, choose
'Continue'.
10A. Configuración y Calibración MK4
Ensamblaje Original Prusa MMU3
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