3ntr A4 V2 Schnellstart-Handbuch - Seite 15

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Loading filament (during print)

When the filament spool is depleted, the loading of a new one is a quite easy

process:

1. Prepare the new spool to be loaded, be sure it is the same polymer you

are currently using

2. On the front panel, navigate with the jog wheel to TUNE->CHANGE

FILAMENT OPTION: pressing once on the jog wheel black button will

unload for you the current filament, while parking the print head away

from the part being printed.

3. Release the feed mechanism of the selected extruder, pulling the handle

on the back of the printer. Lock it open and remove the used filament.

4. Remove the old spool, and replace it with the new one

5. Use a scissor or suitable tool (a small pencil sharpener could work with

"soft" polymers) to make a dart-like point on new filament end

6. Feed the new filament up the mechanism and clear PTFE tubing until

you reach the extruder part.

7. Gently push until you see some polymer exiting from the nozzle. Remove

and clean the extruder nozzle tip

8. Release the feeding device lock

9. Push on the black button: printing will resume.

10. That's it!