Geeetech

It seems replacing the plastic pieces of the extruder with the metal pieces of an older MK8 I had laying around fixed my issues.. seems like others I've read on here, the "new" MK8 with the plastic self adjusting tension aren't as good as they sound...

I have a Prusa I3B Pro and have started having issues extruding (using the new mk8 plastic self-tension setup), It will print perfectly for awhile (10-20 layers of a small cube) then it will stop extruding, I can feel that it's not even trying to pull the filament down, if I leave it alone it will ...

That doesn't answer the question, how many screws do you have holding the ramps down? which holes? It sounds like due to a design flaw a lot of us are frying our ramps..
Sorry, my misunderstanding.
If you mount the board like me, only need 1 screw and the hole is the ellipse one.
If you mount like ...

That doesn't answer the question, how many screws do you have holding the ramps down? which holes? It sounds like due to a design flaw a lot of us are frying our ramps..

This is how I mount the mainboard, use a screw and power cable to firm it.
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QQ截图20150416160855.png

How many screw holes do you have connected? If I mount it that way I only have 1 screw that lines up and getting the USB cable in is almost impossible. I had to mount it the ...