Printing and calibration issue

Hello everyone, I’m new to 3D printing, I have a P1S Combo. Everything was great up until this point. I got a botched print, after that tried calibrating the printer. Flow Dynamics calibration printed without an issue, but Flow Rate calibration turned out horrible.
Now all prints turn out this way. What could be the issue and how could I fix it?

Printer P1S Combo, slicer settings standard, printed with Bambu PLA basic blue and grey.
ebu4ie sledi.3mf (99,7 КБ)



I think this is probably a partially clogged nozzle. Try a cold pull and using the nozzle tool to get any clog out. Is there anything no stock on the machine like a PTFE tube guide?

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Hey, thanks for the reply! Tried replacing with a brand new .4 Bambu nozzle, the result didn’t change. I have the AMS riser and a Frostbite Plate, the rest is all stock parts. Done maintenance about 5 days before the issue.

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Maybe an issue with a jam in your extruder gear?

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I cleaned the whole thing not long ago, will check again tonight, thanks for the tip! Will update according to the result.

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Hi, here’s an update for the issue. The solution was extremely simple and had no connection to the extruder gear. Somehow my K value was 0.15, missed a 0 :joy: No idea how it happened, but adjusting the K value solved the problem (of course :laughing:)
Thank you for your help!

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