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Aravon
(@aravon)
Estimable Member
Failure to load filament

What should I expect when the filament is loaded correctly ?
I followed the manual and press the middle button to get a flashing red light.
Inserted filament and the LED turned green. (just light, no feeling of anything getting hold of the filament)
Then I started the first layer calibration.
But the filament did not move forwards.

Any idea ?

Posted : 18/09/2018 5:19 pm
Aravon
(@aravon)
Estimable Member
Topic starter answered:
Re: Failure to load filament

Problem solved:

a wire got caught in the idle body hindering the free rotation of it.

Posted : 18/09/2018 5:53 pm
Peter L
(@peter-l)
Honorable Member
Re: Failure to load filament


What should I expect when the filament is loaded correctly ?
I followed the manual and press the middle button to get a flashing red light.
Inserted filament and the LED turned green. (just light, no feeling of anything getting hold of the filament)
Then I started the first layer calibration.
But the filament did not move forwards.

If the filament loaded correctly you should feel the MMU grab hold of the filament and pull it in a couple centimeters, then back it out. The MMU advances the filament until the FINDA detects that it's in the selector.

If the LED turned green without the MMU doing the pull-and-reverse sequence, it's possible that something else tripped the FINDA.

Another possibility is that the MMU is confused about the position of the selector bearing and has the wrong bearing engaged for the filament you're trying to load. This happened to me the first time I tried to load filament, and has happened a couple times since. The solution is to push the reset button next to the USB port on both the MMU and the MK3.

Posted : 18/09/2018 5:58 pm
Peter L
(@peter-l)
Honorable Member
Re: Failure to load filament


Problem solved:

a wire got caught in the idle body hindering the free rotation of it.

Yeah, that would do it too.

Posted : 18/09/2018 5:58 pm
nuroo
(@nuroo)
Reputable Member
Re: Failure to load filament

post some pics from your 1st print.

Prusa MK3 preassembled (R2/B6) > (R3/B/7)
Prusa MK2.5 kit > MK3 > MK3+MMU2 (R3/B/7) 😀
Prusa SL1 3D printer + Curing and Washing Machine (day1 order)
Taz6
CR10s4
Delta 3ku

Posted : 18/09/2018 9:50 pm
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