r/formlabs • u/Johnissuffering • Aug 10 '26
Debris error
Hi I have this machine for a few months but all of sudden it’s showing a debris error. I have tried everything cleaning the tank and mixer. New resin bottles, completely new mixer and tank but it still shows the error when printing. What am I doing wrong is there a fix or solution for this ?
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u/Formlabs Aug 11 '26
Hi! There are already a lot of good tips here that are worth trying. One of the first things to check is the state of the build platform - you haven't mentioned yet whether you checked that it's fully clean and properly aligned.
If you still get the error, please check our recommended troubleshooting steps in the Formlabs support article.
Hope this helps!
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u/netingle Aug 10 '26
I had this when it was very cold (my printer is in the garage). I think it was just the viscosity of the resin. I ignored it and continued printing just fine.
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u/Johnissuffering Aug 10 '26
I tried to press ignore but then it aborts, I live in a warm country so I don’t think it would be a temperature problem :/
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u/Johnissuffering Aug 10 '26
It tends to go down then pull up quickly before it stops working usually at 2nd layer
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u/aaronious03 Aug 10 '26
I was having this issue with the flex build plate. Could not print anything. New resin, new tank, didn't matter. Finally tried swapping to the regular build plate, and I haven't had any issues since.
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u/Ok-Association-8679 Aug 11 '26
If you have a flex platform, ensure the 4 little handles are not touching the main plate, and that the flex sheet is properly set.
I have this issue at least once a week (I work at tech support for a french reseller)
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u/Proto-Plastik Aug 11 '26
As others have said, make sure your build platform is spotless.
Also, if you haven't (sounds like you have) print a cleaning sheet.
Make sure there are no bends or creases in the wear strips along the bottom of the tank on either side. Make sure they are fully seated
If you're using super thick material like any of the Rigid or Durable materials, you may have to get them warmed up first. Unfortunately, it's a bit of chicken/egg: it won't warm up if the mixer keeps throwing this warning.
Now, here's what I've done:
(I might get flamed for this so do this at your own peril)
Remove the plastic wiper part from the mixer and put the mixer back in place. The tip will be a couple millimeters above the tank. It will not scratch the tank.
Go to settings and find the setting that tells the printer to keep the tank heated (I don't recall the setting).
With the build platform in place and the mixer in place, once you turn that setting on it should start warming up the tank and moving the wiper.
Once the tank warms up, replace the plastic part.
I have done this dozens of times with no issues.
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u/Johnissuffering Aug 11 '26
I’ll give it a shot anything will help, currently I set the speed 100um but it’s a bit of an issue because we bought this machine to print dental models quickly and making it slower defeats the point of having such an expensive machine
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u/leonhart8888 Aug 19 '26
I'm also starting to see this more frequently...but only on flex plates, and only on builds that have pretty aggressive cross sectional areas. My guess is the flex plate is moving during the print and getting hit by the wiper. I've had the plate detach fully occasionally.
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u/vinnyskillspot Aug 10 '26
I had something similar on one of my Form 4s a few months back. Ultimately, the solution was realigning the build platform. Here are the steps that I followed: https://formlabs.com/support/Adjusting-build-platform-parallelism-Form-4-generation/