Z axis line Issue

[user_4241235959]

Hi eveyone,

I am having an issue with visible lines on the layers. Please see the attachment.

I’m using A1.
The default setting with 0.2 mm nozzle and 0.14mm layer height. (happened with 0.12 layer height as well. I used ELEGOO PLA Plus white.

I have never seen this issue before so please give me some advice.

Untitled.gcode.3mf (590.9 KB)

[user_2596468030]

I’m having a similar issue but there is only one line always in the same spot on several prints. Posting here in case someone has an idea to help us both