Abs not sticking on heatedbed

Vertex 3D Printer Vertex - Issues while printing
1

hello,

since i have my k8400 im having problems with the firts layer printing. Now i ve mounted a heated bed, the first layer don’t stick on the heated bed, what can be the problem?

i’m printing e sun abs on 90 heatbed

2

To get ABS sticking you need to coat the bed with a 3D adhesive spray (Dimafix or 3DLAC). Since I’m using it I never had warping.