The loader motors are a PITA to get at as the “pack” of all four have be removed from the CFS just to get at and one of them . I’m going to be replacing all 4 of them today. My problem is not “jamming” but “not loading” on loaders 2/3 (1/4 working fine). On 2/3 I can hear sensor click and the blue sensor light lights up but it does not grab the filament. Sometimes I can even hear the loader motor turning on 2 (it’s very quiet) so I suspected something has stripped or loosened. Have opened up the CFS multiple times and removed loaders 2/3 and had a good look at them. On loader 2 there was a tiny socket grub screw on one of the gears that was loose but tightening that up made no difference although I noticed it immediately became loose repeated retightening made no difference. I dont know why. Have even swapped working loader from 4 into the 2 position and VV and nothing changes, Its like the “filament present” signal from loader 2/3 is not getting back to the control board. All very confusing. When I replace the loaders I’m going to take loader 2 apart to see what’s going on. Might make a vid.
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