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Adhesion and Print Flow Issue  

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Adhesion and Print Flow Issue

My MK3S is acting up, and I'm not sure why.  My recent prints have not adhered at all, but I don't think that it is Z height.  I have run First Layer Calibration but can't get it to work across the calibration run.  What happens is that the initial nozzle clearing part (lower left) looks great, and the initial printing of the zigzag (top left) looks good, but then almost half way through the first line, the print output (flow?) looks like it is significantly less (upper right).   Because less is coming out, it doesn't get partially flattened the way that it should, so doesn't adhere. 

I have cold pulled the nozzle to make sure it is not partially clogged, and it came out clean.   But if it was the nozzle, then I would think that the initial parts would not come out properly.   Any suggestions very greatly appreciated.

Posted : 07/12/2020 1:16 am