I don’t know if they’re abnormally dark, but they are definitely discolored in the middle. These tubes were replaced 2-3 months ago along with the entire frame assembly.
Hello, since the last post, you have been able to figure out what the error was. We are experiencing the same issue with our Fuse1. We have already replaced several components, just like you, and it continues to melt the layers.
Unfortunately I did not, this ended up requiring a full replacement. Nobody could figure out what the issue was. After my return process, Formlabs said they were going to tear apart my old printer and try to find out what the root cause was. If you’re working with support, maybe you could ask them to reference my case and see if there was ever a resolution.
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the quartztubes being black is not an issue i´ve been told by support. They turn black after just a few prints and does not affect performance. I was told only to replace them when absolutely needed.