CPE / PETG terrible first layer & surface quality - Materials & profiles - UltiMaker Community of 3D Printing Experts

Hi I aborted yesterday a print with Ultimaker CPE because the first layer was really bad. I had a lot of crumbs on the top of the first layer. I searched the forum and found some others with the same problem, but without any useful solution. I have to say, it was the first time I printed CPE with

Oozing, blobs, and strings on S5 / PETG - Improve your 3D prints - UltiMaker Community of 3D Printing Experts

Ultimaker PETG - Materials & profiles - UltiMaker Community of 3D Printing Experts

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Oozing, blobs, and strings on S5 / PETG - Improve your 3D prints - UltiMaker Community of 3D Printing Experts

CPE / PETG terrible first layer & surface quality - Materials & profiles - UltiMaker Community of 3D Printing Experts

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No luck with CPE - Materials & profiles - UltiMaker Community of 3D Printing Experts

No luck with CPE - Materials & profiles - UltiMaker Community of 3D Printing Experts

No luck with CPE - Materials & profiles - UltiMaker Community of 3D Printing Experts

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CPE / PETG terrible first layer & surface quality - Materials & profiles - UltiMaker Community of 3D Printing Experts

CPE woes - Improve your 3D prints - UltiMaker Community of 3D Printing Experts

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CPE woes - Improve your 3D prints - UltiMaker Community of 3D Printing Experts