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UM3 Repeatable misprint

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Posted · UM3 Repeatable misprint


I have no idea anymore.  My Ultimaker 3 always makes the same mistake. As you can see on the photos, I always have dropouts on the same spot. Repeatable.




Top Left



Left/Right Bottom and Right Top - no problems



I have already tried the following:
- different temperatures
- different cooling
- different velocities
- different positions on the printing bed
- Cura 4.2 and 4.3
- Filament diameter measured
- different line widths
- Axes aligned (with calibration sticks)
- Fan controlled
- Drive belt tensioned
- different Printcores


I'm grateful for any advice!


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Posted · UM3 Repeatable misprint

There could be something wrong with the model... does this area show any irregularity in the Cura preview?


If not, a slight increase of the flow rate (maybe 2%) should solve the problem, or you could use the experimental "ironing" feature in cura.

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