I have setup my Ender 3 w/ Creality 4.2.7 board for manual mesh bed level. This issue is, the leveling process probes point at the first outside portion of the bed, rather than closer to the center, where the print occurs. How do I change this?
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It sounds like your Ender 3 is using the default mesh points set in the firmware, which often focus on the edges of the bed. To have the probe measure closer to the center, you can adjust the mesh leveling points in your printer’s firmware or via your slicer’s G-code commands. On a Creality 4.2.7 board with Marlin, you can modify the MESH_BED_LEVELING settings or use the M421 and G29 commands to define custom probe points. Another simple approach is to use the “Baby Step” Z-adjust during the first layer to fine-tune the center height manually. This way, your prints will adhere better without having to redo the full mesh across the edges.