How to read a hieight map
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Can you post a photo of what your actual bed surface looks like?
The average difference between the points is pretty low. Try an actual test print. It should have no problem compensating for that minor difference.
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i had similar bed issues. very likely, your physical wiring or tubing connected to the print head bumps up against the corner wall or frame of your printer in this corner, and it slightly pushes the probe and print head downward, appearing like the bed is raised. Since it only happens in that corner, very extreme, it very likely is physical force on your toolhead.
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