Geeetech

my last few prints have come out like this. Blue is ABS with extruder temp is 260 and white is PLA with extruder temp 210. Bed temp was 65-75 for both. Before prints were solid. The only thing new with the printer is I had to replace a stepper motor.

My heat bed does not seem to be able to go higher than 79F so the ABS does not want to stick to the bed

with the power on and the heat bed programed to heat up the voltage across pins 2 and of the mosfet is 0.0

I received and built a prusa i3 x about 3 weeks ago. From day one the heat bed would not work though the thermister does. I have double and triple checked the plugs to make sure they were in their proper locations and they were in tight. After looking at a few posts here and looking at the board I s...