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Clogs all the time

by SavedDoughnut16

So I've had my ender 3 for a while working fine. But about a week ago I changed to an mks gen l 1.0 with tmc2208s and a bl touch. Since then I haven't gotten a successful print. I am trying to make teaching techs mb case but every time I print it, about half way through the first layer it clogs. Every time. It is hard to pull out the filament after and I clean it and it happens again. Not sure what to do. I also don't know why but since I flashed Marlin the hotend cooling fan doesn't automatically turn on. Could this be happening because I don't have the hotend fan on?

clog Ender 3 Extruder help
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