K1 Not printing cerrectly Lately

Flagship K Series Creality Flagship K1 Max
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Hi All,

This is my first try on this plateform.

I have a creality K1Max that was printing without any issues but lately the prints are not going well. I get some delamination on certain layers.

Does anyone know how to fix this?

Thanks

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Hello !
Just to check a few things,
What material is that ? PLA ? PETG ?
Temperature ? Nozzle and bed ? and the air temperatore of the room ?
Cooling ?

Also, have you tried to dry your filament ?

In my opinion, it’s not related to the machine as those “delaminations” are not in the whole layer (especially those at the top, the middle is ugly but when you look at the left side, it seems ok)