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[Troubleshooting] Clog Guy is back, and things have completely ceased making sense. - Lemmy
lemmy.mlHi guys. Please check my previous post for any background questions, I don’t
have it in me to go over everything again. Long story short, I was having issues
with clogging that were being caused by my hotend not reaching the reported
temp. After a few days of troubleshooting and diagnosing the motherboard and
Klipper settings, I gave up and decided the motherboard was faulty (even though
I could not perform any tests to determine in) and bought an SKR mini. I got
that all set up, and the printer has been working flawlessly since then. Until
now. Same exact problem; one print goes perfectly fine, next print, failing to
extrude by the 4th layer. I removed the clog, restarted the print, now can’t
even extrude the priming line. Fearing the worst, I disassemble the hotend, try
hand feeding filament, and once again I am unable to push more than a few
centimeters through before it gets clogged up. A probe thermometer reads ~160C
while Klipper reports 200C. What could possibly be happening here? The board is
an aftermarket replacement from a completely different company, so I doubt it’s
a recurring manufacturer defect, but I have no idea what else can be causing
this. At this point I’ve spent so much time and money trying to fix this printer
that I could almost buy a new one, but at this point I’m not convinced even that
would solve the problem.
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