Ugly First Layer on Anycubic Linear Plus

Hello!

I have an Anycubic Linear Plus Delta printer. This is my first delta printer. It was working very good. But recently i am having issue in my first layer of print. There will be gaps in the first layer lines. And it happens only in the first layer, after that everything prints just fine. But as you can see in the attached images, the first layer looks really ugly.
First i thought it might be because of improper bed level, so i set bed level and Z height again, but nothing changed. I am using Removable Bed Leveling Probe

I really don't know what is causing this gaps in the first layer.
If anyone have any idea what is going wrong, please tell me.

The bed is still not properly leveled.

Hi,

Have a look at this video on assembly of the printer: [www.youtube.com]

Just before the 20 minute mark there is the process for bed levelling and then manually changing the z height. Your mileage may vary, but I found on mine that using the z-1 option fixed the problem as it put the extruder slightly closer to the heated bed.