Solved Z-Axis Coupler occasionally stopping

I'm not sure if someone has posted an issue like this already. I've looked through as many posts as I could but couldn't find anything. As i'm printing I've been watching the z-axis threaded rod and coupler on the right side and I noticed that as it's turning during a print it will occasionally get stuck and stop for a moment before jumping to where it needs to be. Is this a lubrication issue or do I need to do something to the coupler? It's only happening on the right side and I've already lubricated the rods themselves.

 

If you haven't lubricated your Z threaded rods then that's a good first step.

There's some more stuff we can do, but printing lifter feet to ensure the electronics cooling fan on the bottom is getting sufficient airflow will likely help as well if it's a heat issue.

 

Thanks mike. You've been a great help!


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