Geeetech

Seems like the "idler arm" is a problem area ... in fairness to Geeetech, the same thing happened on my Ender 3. There's been a lot of discussion on forum thread: "New A20M couple of problems" and some others as well. Here's a link to page 2 of that thread: http://www.geeetech.com/forum/viewtopic.ph...

Hi Jarda I used the second thingverse version that you suggested above (by KayIOA). I used the one labeled Geeetech_lever_FDM. I tried the one labeled "..._smallerTolerances", too; but I had less luck with that one. I printed in PLA (.4mm nozzle, .2mm layer height). If I was printing another one, I'...

Thanks for that tip on plugging the bad extruder. I see you recommended printing the extruder levers and replacing the factory ones in a previous thread. But I didn't see ...

Do you have a favorite STL you could recommend for this part?

Thanks

I took the ill-behaving extruder apart; and in my case, I definitely have a crack on the lever arm. - Jay

Hi All, I'm having a similar problem (underextrusion on one of the filaments); and also after about 2 weeks of use. I've swapped filaments -- problem stays with the extruder, not the filament. I've swapped bowden tubes at the output of the extruders (so they go to different hot-end inputs) -- proble...