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  1. #1

    Help with Anycubic i3 Mega S - 1st layer just not printing :-(

    Hi all,

    I posted a problem similar to this before, and curious aardvark pointed out that I am setting the nozzle too close to the plate. Remedying this helped for a few prints, but now I'm havingf a very similar problem again :-( .

    The print begins. The skirt is a bit shoddy to begin, but I think that's "normal" because this is the purpose of a skirt, right? To settle into a nice print-flow before begining the main event. The skirt doesn't really print well by the time it's completed either. Then when the main print starts the nozzle simply gathers a large blob of PLA on itself :-( .

    I have adjusted the plate so that the paper-measure fits:

    with little resistance - poor print
    with medium resistance - poor print
    with high resistance - poor print.

    The nozzle/plate distance doesn't seem to make any difference.

    I have uploaded a video of one of the (8!) attempts here: https://youtu.be/9yRwQ9FfI4M and I've uploaded the g-code file.

    If anyone with with more expertise than me (not difficult) can take a look and help, I would be grateful.

    Thanks.
    Attached Files Attached Files
    Last edited by thegoodguy; 11-20-2020 at 01:01 PM.

  2. #2
    Staff Engineer Roberts_Clif's Avatar
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    You are so close to having your 3D Printer work.
    You are still just a little too high. maybe 0.1mm
    This can be adjusted by using the Z-Offset from the LCD menu

    https://www.youtube.com/watch?v=Q5M7DvdMcew

  3. #3
    Quote Originally Posted by Roberts_Clif View Post
    You are so close to having your 3D Printer work.
    You are still just a little too high. maybe 0.1mm
    This can be adjusted by using the Z-Offset from the LCD menu

    https://www.youtube.com/watch?v=Q5M7DvdMcew
    I think I'm possibly too much of a noob to go rebuilding the printer to add levelling sensors. I'll need to get a bit more confident before I venture into that.

    As far as I can see there is no native z-offset setting on the Mega S. Should I level the plate using a very precise thickness of paper, or is there a command I can instert into the g-code file to execute the z-offset for each print?

    This was another useful vid I hunted down just now: https://youtu.be/6QhUgq4C008

    Many thanks for the guidance.

  4. #4
    Staff Engineer Roberts_Clif's Avatar
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    What !!!!! ! ! !


    Somehow I attached the wrong You-Tube Video.

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