Makerfarm i3v Quality Shift mid-print

Hello. Long time lurker, first time poster.

I am printing ABS on my Makerfarm i3v (12") and the quality is often in the gutter, as shown below. The oddity this time, though, is that the quality dramatically shifted towards the end of the print, then shifted back again.

Temperature was set to 250, but the same exact poor wuality happened when I printed at 210. Bed temp set to 100.

Layers set to .2. The file was a simple tapered extrusion made in Rhino and sliced using slic3r.


I'm really at a loss.

Halp?

Nobody has any ideas?

I'm getting the same kind of issue at the minute. I'm working through some things but I haven't found a cure as of yet. but saying that and I'm no expert but yours to me looks like a temperature issue I may be wrong.