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Unresolved Y axis off skipping in the middle of the print

Discussion in 'Troubleshooting' started by Lasse Knudsen, Aug 16, 2016.

  1. Lasse Knudsen

    Lasse Knudsen Member

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    Greetings,

    i have noticed that my printer, ontop of the filament feeding problem, is "offsetting" on the Y axis, this thing should be a be perfectly straight up. But what i see is that the printer seems to skip steps in the Y axis. I dont know if this is related, but the leds, seem to be flickering. Im not sure if that is related.

    Any idea what this can be, i tried calling the 24/7 support but the phone was not picked up

    -lasse
     

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  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
    Staff Member

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    Ideas in descending order of likelyhood:

    1) Loose belt or loose drive cog on motor shaft
    2) physical obstruction (i.e. something blocking or in the way (like the wire bundle under the bed) of the extrduer carriage (or entire bed in the case of Y axis) at that point during the print
    3) stepper driver for that axis is off calibration*
    4) bad stepper

    3 and 4 are far less likely since they tend to be very consistent across the entire print and not something that causes a shift just once. Those would result in more of a 'stair-stepping' type of result normally

    *including the link to the post @danzca6 made in the other thread that is related to fixing this if that is the problem:

    http://community.robo3d.com/index.php?threads/robo3d-z-axis-buzzes-and-sticks.9084/#post-82888
     
    #2 mark tomlinson, Aug 16, 2016
    Last edited: Aug 16, 2016
    Geof and danzca6 like this.

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