Ender 3 KE: Scars/hills/holes on first layer

Creality Ender Series Creality Ender-3 V3 KE/SE
1

Hello, I’ve just got my first 3D printer: Ender 3 KE.
And… and I have a lot of problems with the prints - almost every print is failing after some time.
I’m using Devil Design PLA.
Let’s focus on the first layer. First layer adhesion seems to be fine, however, there are a lot of scars/hills/holes. And they start to occur after some printing time.

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The best I could get after playing with a log of settings (flow, speed, z-offset, temperature, retraction, coasting) is this one:
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Look at the left side - seems to be pretty good, isn’t?
Do you have any idea what should I check/set/change in my printing settings, or maybe this shows some problem with the printer and I should call Creality support?

2

The surface looks rough, you’re printing too close to the hotend, try to back off by 0.01 or 0.02mm and try again until the first layer looks perfect.

3

To be honest I’ve never tried positive z offset - and it seems to help. The print is maybe not perfect, but at least I can print without failures. Thx a lot!

4

Finally I’ve ended up with new PLA (Creality Hyper PLA) and… a glue! The glue is a game changer here. It resolved all my problems.

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