I purchased eSun 95A TPU as suggested by some members and it will not reach the extruder no matter how much I pushed it through the tube. It stops just short ofvthe extruder. I tried hitting "load*, but, no luck. Anyone have a secret method of moving it along into the extruder?
Did you try cutting the end of the filament at a 45 degree angle? It helps getting thru to feed gear. At least for me. 
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Ill give it a try. Thanks.
I do that with all filaments. Got in the habit with my first printer because it has a bowden feed extruder.
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i have installed new/other PTFE tube, Filament on rolls, with mac 2,5 mm2 Volume