Prusa MK3S FS lever mod

Prusa MK3S FS lever mod

thingiverse

I've been experiencing problems with my filament sensor not functioning since I upgraded my MK3 to the MK3S extruder and new sensor. It simply refused to work, but I knew the actual sensor was fine - it was something in the mechanism that wasn't quite right. After some investigation, I concluded that the FS lever was the culprit. It didn't seem to be moving far enough to trigger the IR sensor, so I made a modification to the lever by adding about 1mm to its end. The result? IT NOW WORKS!!!

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