Hi! I am trying to print a large footprint model, and did a calibration with 5 points and enable to heat the bed before the calibration. The issue I am getting is that it does not print the boundary and wall in one of the sides of the bed, and therefore does not start the bottom slab properly in that area. The photo is attached in the post. It seems that there might be some issue with calibration or heating in that area. Any suggestions on how to troubleshoot this issue and solve it?
Your nozzle is getting too close to the bed in that area. This is a levelling/flatness issue. First you can try adjusting the z-offset on the touchscreen during the start of the print, but watch to make sure that it does not start to affect the side of the print that is coming out good already. You can try re-performing the auto-level calibration, or I would suggest switching to the 5x5 heated manual levelling; it is quite a bit more accurate. Beyond that, you would have to get into machine tramming and shimming, which is a lengthy process requiring some extra tools, but will give the best results possible.
I went through all of it, plus some additional modifications to my machine, this was my process, and a photo of the full bed print test that I got afterwards…
https://forum.snapmaker.com/t/tramming-shimming-and-3d-print-bed-levelling/28307
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