Jump to content
Ultimaker Community of 3D Printing Experts

UM3 Nozzle not raising?

Recommended Posts

I have an Ultimaker 3 on loan to me for an upcoming show in two weeks.

So far, this printer is having a hard life here.  There's been a few issues since unboxing and unfortunately, there is this problem too....my PLA/PVA prints are getting knocked over.

The first one happened last night and when I awoke, I have a mess of "spaghetti" all over the printer and a knocked over print.  I blamed the usual suspects...poor adhesion.  So I applied a coating of diluted PVA glue to the bed and let dry.  I've used this method on my Ultimaker 2+ and had no troubles with adhesion since.  Just to be double sure, on the next print, I selected brim.

The second print (bird in a birdcage model), is a 13 hour one.  I monitored a portion of the print remotely and went to bed.  I woke up hearing some loud noises from the printer (from upstairs!) and recorded what the printer is doing.


The entire bed moves/bounces as this is going on.  

If you watch the video closely, it looks like the PVA nozzle isn't retracting and colliding with the structure while the PLA nozzle attempts to apply it's layer.

The previous model was a thin one, the seahorse, so if this happened on that print, I can see it easily being knocked over.

Any idea how I can fix this? (The printer does have the latest firmware installed)

Edited by Guest

Share this post

Link to post
Share on other sites

first the obvious, does it 'hit' the switch bay in the right location? if thats off you can calibrate it again from the menu. Before you try let it home properly. I can think of all kinds of reasons for this to happen, like maybe a loose pulley?

  • Like 1

Share this post

Link to post
Share on other sites

Erin saved the day

She advised the calibration process for the nozzle switch

The first time thru, it didn't work. Did it again and now it is working great.

Did a short test print and that worked! Doing a long, 21 hour print now to really test it out! So far, so good

Share this post

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

  • Our picks

    • How to 3D print with reinforced engineering materials
      Ultimaker is hosting a webinar where we explain how you can achieve and maintain a high print success rate using these new reinforced engineering materials. Learn from Ultimaker's Product Manager of Materials and top chemical engineer Bart van As how you can take your 3D printing to that next level.
      • 1 reply
    • "Back To The Future" using Generative Design & Investment Casting
      Designing for light-weight parts is becoming more important, and I’m a firm believer in the need to produce lighter weight, less over-engineered parts for the future. This is for sustainability reasons because we need to be using less raw materials and, in things like transportation, it impacts the energy usage of the product during it’s service life.
        • Like
      • 12 replies

Important Information

Welcome to the Ultimaker Community of 3D printing experts. Visit the following links to read more about our Terms of Use or our Privacy Policy. Thank you!