3D Printer producing uneven layers

I need to know what wrong i did or any settings which is disturbed.

Why is my Ulti Maker 3D Printer s7 producing uneven layers?

How can I fix the issue not extruding filament properly?

Please guide!

I’m using PLA filament.Nozzle Temperature: 200° CBed Temperature: 60°CThe print has inconsistent layer heights with some layers looking thicker than others, and there are visible gaps. I’m sharing the image.
anyone tell me what to do or it need repairing :confused:

Sharing some pictures and more details could help in figuring out the problem