3D Printing Infill Issues

[Caleb SF]

I've been noticing that my printer seems to have a lot of trouble with infill support. If it is making a line, the line seems to break up a bit in random areas. Oddly enough, everything on the outside is perfect, only the inside is where trouble starts.

 

Settings:

Monoprice Maker Select V2

100% Flow

200c Temp

50c Bed

40% infill

40 mm/s print speed (usually its 60 but I was seeing if it mattered, doesnt seem to)

120 mm/s travel speed

.8mm wall thickness

.1mm Layer height

 

I use Cura 2.4/2.5. I don't know if my settings are normal or not. I have had completed prints but have never opened one to see if the support worked.