Good day,
I have managed to get some better results. I have calibrated my bed height, super close to the nozzle. It leaves marks on the bed sometimes, although it did resulted some better prints (check pictures).
I hope this will not damage the bed significantly.
There is one other problem. The support layer is strongly stuck to the main base of the print. Its difficult to remove it and it does not peel off as it normally does (the fault displayed in the same pictures).
Any idea of what causes it?
Many thanks!

IMG_20200327_154503.jpgIMG_20200327_154530.jpg