Original Prusa XL Manual Del Usuario página 36

PASO 34 Version B: Preparing the spool holder
Insert the M4x12 screw on the longer side of the 3mm Allen key.
Insert the 3mm Allen key with the M4x12 screw through the assembled spool
holder to the prepared hole in the spool-holder-base.
The M4x12 screw has to protrude through the spool-holder-base.
PASO 35 Version B: Mounting the spool holder assembly
PASO 36 Versiones del montaje del LCD
Echa un vistazo al xLCD, hay dos variantes:
Versión A: con una arandela M3 bajo el tornillo
Versión B: sin una arandela M3 bajo el tornillo
Versión C: faston en la izquierda superior
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3. Instalación de la impresora
Original Prusa XL Mono Cabezal (Ensamblada)
Attach the spool holder assembly to
the M4nEs nut in the extrusion.
Note that there is a protrusion on
the spool-holder-mount, which
must fit into the groove in the
extrusion.
Tighten the spool holder assembly.
Do not use the spool holder as a
handle!