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Solved Why is my PLA print doing this

Discussion in 'Troubleshooting' started by aznhlfan, May 26, 2016.

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  1. aznhlfan

    aznhlfan Active Member

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    Doing this print for the first time, I noticed it doing something that my prints previously had not done. Why this time, I did modify the filament intake, could the adjustment screws not be tight enough and the bolt feeding the filament is slipping a bit on the filament not feeding it correctly? It's a 12 hour print so can't get to changing it till it's done, but let me know what everyone thinks.
    [​IMG]

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    #1 aznhlfan, May 26, 2016
  2. Geof

    Geof Volunteer Moderator
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    You can adjust the screws on the fly if your carrful. It could possibly be loose but i doubt it. I always run mine in finger tight as tight as i can get them and that works for me. More likely its the model or an odd slice if its the only time youve seen it
     
    #2 Geof, May 26, 2016
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  3. aznhlfan

    aznhlfan Active Member

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    I used tinker cad to design and matter control to export the gcode to the sd card

    sent from my Samsung Note 5 using Tapatalk
     
    #3 aznhlfan, May 26, 2016
  4. Geof

    Geof Volunteer Moderator
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    :) matter control is buggy on slices.

    I wouldnt worry to much until you try your next print. I got in the habit of running my cads theough netfab to correct any errors i might have made :)
     
    #4 Geof, May 26, 2016
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  5. Geof

    Geof Volunteer Moderator
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    #5 Geof, May 26, 2016
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  6. aznhlfan

    aznhlfan Active Member

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    Now it printed the amount of the picture below, then kept going through the print about 3 inches above the print. It still follows the gcode and looks like it's printing, but no extruding. This is the same print as above that was not printing correctly.

    sent from my Samsung Note 5 using Tapatalk
     
    #6 aznhlfan, May 26, 2016
  7. aznhlfan

    aznhlfan Active Member

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    [​IMG]

    sent from my Samsung Note 5 using Tapatalk
     
    #7 aznhlfan, May 26, 2016
  8. Geof

    Geof Volunteer Moderator
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    Did your hotend jam ? Will it extrude now?
     
    #8 Geof, May 26, 2016
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  9. aznhlfan

    aznhlfan Active Member

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    The hot end is not jammed, I printed a calibration cube afterwards just fine.

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    #9 aznhlfan, May 26, 2016
  10. Geof

    Geof Volunteer Moderator
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    That is interesting. Run that stl through that link I gave you. Does it find errors ?
     
    #10 Geof, May 26, 2016
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  11. aznhlfan

    aznhlfan Active Member

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    Should I run the file through netfabb just to see if it's the file? The thing is, it's a long file and it didn't (not print) until 2 hours in.

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    #11 aznhlfan, May 26, 2016
  12. Geof

    Geof Volunteer Moderator
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    Yes run it through netfabb just to be sure

    My thought is if you printed a perfect calibration cube right after your set up is probably fine
     
    #12 Geof, May 26, 2016
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  13. aznhlfan

    aznhlfan Active Member

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    I uploaded the file, it didn't say there was a problem, but it did repair it. I haven't downloaded the fixed one yet.

    sent from my Samsung Note 5 using Tapatalk
     
    #13 aznhlfan, May 26, 2016
  14. aznhlfan

    aznhlfan Active Member

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    I just ran a calibration square again and no extrusion and it tries printing above the bed again. If the hotels was clogged, would it make it print to high as well?

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    #14 aznhlfan, May 26, 2016
  15. Geof

    Geof Volunteer Moderator
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    No just no extrusion. Being way above the bed is normally a switch put of place during auto level. i haven't ever seen it jump up during a print way high.

    Id think its more a slicer issue. But maybe not. Either way try cura ???
     
    #15 Geof, May 27, 2016
    Last edited: May 27, 2016
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  16. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Yea, that is either a slicer issue or a Z home switch stuck sort of issue.
    If Z home actually homes correctly then probably the slicer.
     
    #16 mark tomlinson, May 27, 2016
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  17. aznhlfan

    aznhlfan Active Member

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    I auto homed it to see if it would auto home correctly. It went through the whole process as it always has. The PC isn't connected at all to the printer, I use the xxl controller and sd card 100% of the time. I do however use matter control to open the .stl file and export it to the sd card. Your saying I should use cura for that instead of matter control?

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    #17 aznhlfan, May 27, 2016
  18. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    You should try slicing the STL with something other than MatterControl so you can isolate this to software or hardware.
    If it is homing correctly when you do a "HOME ALL" then hardware is probably not the issue.
     
    #18 mark tomlinson, May 27, 2016
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  19. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    It could be that the Z offset command in the initial GCode (the M565) is way off (or not even there). You would need to examine the sliced file (the generated GCode) to make sure it is there.
     
    #19 mark tomlinson, May 27, 2016
  20. aznhlfan

    aznhlfan Active Member

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    I ran the stl file through netfabb also last night. I will try printing it again, as netfabb found a problem it had to repair.

    sent from my Samsung Note 5 using Tapatalk
     
    #20 aznhlfan, May 27, 2016
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