This looks a lot like the idler gear shaft issue which I also ran into. Please have a look at the last entry in Suddenly poor print quality on two SV08's - solved with extruder idler gear - #16 by wrusman to find my solution.
This looks a lot like the idler gear shaft issue which I also ran into. Please have a look at the last entry in Suddenly poor print quality on two SV08's - solved with extruder idler gear - #16 by wrusman to find my solution.