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Longer LK5 Pro Nozzle Settings

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Posted (edited) · Longer LK5 Pro Nozzle Settings

Hello All,


I am very new to 3D printing.  I have recently purchased a Longer LK5 Pro to dip my toe in the world of 3D printing.  I am interested in changing my nozzle from a 0.4mm to a 0.6mm due to the fact that most things I currently printing do not have intricate details.  I am using Ultimaker Cura version 5.2.2 and I do not see the option to change nozzle size under: preferences, configure cure, printers (select my printer), machine settings, extruder 1 tab.  If someone could help, I would greatly appreciate it.





Longer LK5 Pro settings.jpg

Edited by matthewsean78
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    Posted · Longer LK5 Pro Nozzle Settings

    Hey @matthewsean78,


    Welcome to the Ultimaker Community 🎉


    Since Cura is open source, printer profiles are contributed by community members, or by the 3D printing companies. I can see that the Longer profiles have been contributed by Longer themselves in January of 2021.

    I can also see that they included more nozzle sizes, including the 0.6, but they do not seem to have ended up in Cura 😮
    I'll bring it up to the team to see what happened to the profiles. 🙃
    I'll report back if I know more.

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    Posted · Longer LK5 Pro Nozzle Settings

    In the meantime you can install the 0.6 nozzle and set all the Cura "Line Width" settings to "0.6" and set your "Layer Height" to something like 0.3 and you should be able to print well with that 0.6 nozzle.  "Nozzle Size" is a reference...it's the Line Width that counts.  I've pushed my .4 nozzle to .8mm line width with no problems.


    I looked at the Longer definition files and it's as @MariMakes says - they defined your printer as having nozzle "variants" but there is only the single nozzle variant at .4mm.  You could add a nozzle file but then you would also need to add Quality files for each material and for each setting "profile".  It gets messy in a hurry.

    You will find the nozzle size for your printer under "Settings / Extruder 1 / Nozzle Size".  You will see that only the .4 is available.

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    Posted (edited) · Longer LK5 Pro Nozzle Settings

    Yes.  That's what we're trying to say.  There are no other sizes because Longer did not provide any other sizes.  Ultimaker has no idea what a Longer looks like much less what it can handle in terms of flow, speeds, acceleration and other things.  This is a Longer issue.  They provide the defintions for their printers and neglected to add optional nozzle sizes.


    I get the same thing you are seeing.  Under "Settings / Extruder 1 / Nozzle sizes" there is only one nozzle listed and it's the 0.4.



    This is with my Ender 3 Pro active.  Creality provides more nozzle definitions when they submit a printer definition file to Ultimaker for inclusion in Cura.


    Edited by GregValiant
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    Posted · Longer LK5 Pro Nozzle Settings

    Hey @dalbows4,


    Sorry, it took us a while to get back to you 😞 

    It required some digging but it looks like Longer removed the files themselves.
    You can read more about it here.



    I was able to distill the Longer files that you need before they removed them from Cura. 
    .  Cura-42224447319f0ba3bd55a7d63a57e456ee331da4.zip
    If you drag the folders and files in this ZIP to your Resources folder
    C:\Program Files\Ultimaker Cura 5.2.1\share\cura\resources

    You should have more nozzles showing up. 

    Good luck!

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    Posted · Longer LK5 Pro Nozzle Settings


    I have dragged the zip that you referenced to the correct folder for Cura.  I still do not see the additional nozzle sizes.  Do I need to reinstall Cura?

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    Posted · Longer LK5 Pro Nozzle Settings

    Hey @Suemm3212,


    Could it be that you installed Cura 5.3 but dragged them into Cura 5.2?
    Do you see them if you open Cura 5.2?

    Do you have other Cura installations in C:\Program Files?

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    Posted · Longer LK5 Pro Nozzle Settings

    I will try that

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    Posted · Longer LK5 Pro Nozzle Settings

    Suemm3212 once you copy everything remove your Longer LK5 then add it back. once you do that you should be able to click the drop down and have different nozzle sizes. it was not working for me either but once I removed the lk 5 pro as a printer and added it back they were there. 

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