High speed test failed

Flagship K Series Creality Flagship K1 & K1C
1


Hi all
Please see the video. Has someone had same issue?

Thanks
W.

2

Oddaj to g…no w mojej k1c ciągle tylko części mi przysyłają jeszcze nic sensownego nie wydrukowałem

3

Wow, that’s ugly! My prints of those test files come out perfect, never seen anything like that! It lo0ks like it’s only on the long side, so it appears that the extruder isn’t pushing out enough filament as it tries to print there.