Original Prusa MINI+ Manual De Instrucciones página 42

PASO 28 Filament sensor installation (optional)
Slide the filament sensor onto the PTFE tube. See the picture for the correct
orientation of the sensor.
Check the position of the PTFE tube through the groove:
Wrong installation. The filament sensor is not fully pushed onto the PTFE tube.
The filament sensor will not work properly.
Correct installation. The filament sensor is fully pushed onto the PTFE tube.
Now, tighten the screw gently to ensure the sensor won't slide from the PTFE tube.
Use a piece of filament and slide it through the filament sensor to ensure there is no
deformation of the tube. In case of any resistance, release the screw slightly.
PASO 29 Connecting the filament sensor (optional)
Guide the filament sensor cable behind the extruder cable bundle and the heatbed
cable bundle. Connect the cable into the last empty slot in the right row on the
Buddy board.
Arrange the cable according to the last picture. Keep in mind that the electronics
cover must fit into place.
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Montando tu MINI+ (soporte bobina impreso)
Original Prusa MINI+ semi-montada