So, from the pictures of the prints, you do not have good bed adhesion. Check the head gap is correct - it looks like it needs reducing a little and slow down the printing speed by 50%.

You don't need and don't appear to have a cooling fan. The fans on the extruder are there to cool the extruder motor and reduce heat creep up from the hot end.

Filament may not be of the best quality. If it has too more moisture, you will get the spitting. Keep it dry at and a stable room temperature.