Jump to content
UltiMaker Community of 3D Printing Experts

UM2 firmware v15 under extrusion issue ?


boris
 Share

Recommended Posts

Posted · UM2 firmware v15 under extrusion issue ?

Hi there,

 

I have been doing good quality prints on my Ultimaker 2 from the beginning, (I have it since about four months).

But since a while I started to have under extrusion on most of my print and that was append with any filaments I have (all my filaments are from from ultimaker)

Also I was using the same settings of before, when my print was good.

 

I tried everything I can to fix it, changing the temperature of the nozzle, the bed and many settings.

I made a lot of atomic method to clean the nozzle, I dismounted the nozzle to checked the teflon.

 

I also tried the alternative feeder from Robert and printed a bowden hook to try to improve the flow.

https://www.youmagine.com/designs/yet-another-ultimaker-2-feeder

https://www.youmagine.com/designs/bowden-hook

 

In the same idea I removed the spool and unwound the filament to reduce the tension, after I read that here :

http://ultimaker2prints.blogspot.ch/2014/11/dont-over-tighten-material-feeder.html

 

All of theses things wasn’t really a success and the under extrusion was stil there !

I was wondering what can be changed on my printer, and after one week of testing I remember I did a firmware update (15.02.1)

 

Then I Downgraded to the firmware version 14.12.1 and magical! Since I did the downgrade I did not have anymore obvious under extrusion.

Is someone know or/and have the same issue ?

 

Cheers,

Boris.

 

 

  • Link to post
    Share on other sites

    Posted · UM2 firmware v15 under extrusion issue ?

    For the 99% flow bug, I reported that one five months ago but apparently it has not been fixed yet.

    http://umforum.ultimaker.com/index.php?/topic/7764-underextrusion-when-flow-is-set-below-100/?p=72702

    https://github.com/Ultimaker/Ultimaker2Marlin/issues/42

    I did another test to check if it still is there, and yes it is:

    2015 03 15 5400

    I believe this bug can potentially cause a lot of unnecessary support-tickets, so it would be good if Ultimaker would fix it at some point.

    Regarding under extrusion and the V15 of the firmware, this in an interesting one.

    Lately, I also observed slight underextrusion which appears be a software issue rather than anything mechanical.

    I will do some more printing and roll back to an older version to test this on my machine too.

     

  • Link to post
    Share on other sites

    Create an account or sign in to comment

    You need to be a member in order to leave a comment

    Create an account

    Sign up for a new account in our community. It's easy!

    Register a new account

    Sign in

    Already have an account? Sign in here.

    Sign In Now
     Share

    • Our picks

      • Here it is. The new UltiMaker S7
        The UltiMaker S7 is built on the success of the UltiMaker S5 and its design decisions were heavily based on feedback from customers.
         
         
        So what’s new?
        The obvious change is the S7’s height. It now includes an integrated Air Manager. This filters the exhaust air of every print and also improves build temperature stability. To further enclose the build chamber the S7 only has one magnetically latched door.
         
        The build stack has also been completely redesigned. A PEI-coated flexible steel build plate makes a big difference to productivity. Not only do you not need tools to pop a printed part off. But we also don’t recommend using or adhesion structures for UltiMaker materials (except PC, because...it’s PC). Along with that, 4 pins and 25 magnets make it easy to replace the flex plate perfectly – even with one hand.
         
        The re-engineered print head has an inductive sensor which reduces noise when probing the build plate. This effectively makes it much harder to not achieve a perfect first layer, improving overall print success. We also reversed the front fan direction (fewer plastic hairs, less maintenance), made the print core door magnets stronger, and add a sensor that helps avoid flooding.
         

         
        The UltiMaker S7 also includes quality of life improvements:
        Reliable bed tilt compensation (no more thumbscrews) 2.4 and 5 GHz Wi-Fi A 1080p camera (mounted higher for a better view) Compatibility with 280+ Marketplace materials Compatibility with S5 project files (no reslicing needed) And a whole lot more  
        Curious to see the S7 in action?
        We’re hosting a free tech demo on February 7.
        It will be live and you can ask any questions to our CTO, Miguel Calvo.
        Register here for the Webinar
          • Like
        • 10 replies
      • UltiMaker Cura 5.3.0-Alpha 🎄 Tree Support Spotlight 🎄
        Are you a fan of tree support, but dislike the removal process and the amount of filament it uses? Then we would like to invite you to try this special release of UltiMaker Cura. Brought to you by our special community contributor @thomasrahm
         
        We generated a special version of Cura 5.2 called 5.3.0 Alpha + Xmas. The only changes we introduced compared to UltiMaker Cura 5.2.1 are those which are needed for the new supports. So keep in mind, this is not a sneak peek for Cura 5.3 (there are some really cool new features coming up) but a spotlight release highlighting this new version of tree supports.  
          • Like
        • 17 replies
      • New here? Get ahead with a free onboarding course
        Hi,
         
        Often getting started is the most difficult part of any process. A good start sets you up for success and saves you time and energy that could be spent elsewhere. That is why we have a onboarding course ready for
        Ultimaker S5 Pro Bundle, Ultimaker S5, Ultimaker S3 Ultimaker 2+ Connect.   
        They're ready for you on the Ultimaker Academy platform. All you need to do to gain access is to register your product to gain free access. 
        Ready? Register your product here in just 60 seconds.
          • Like
        • 14 replies
    ×
    ×
    • Create New...