Auto bed leveling on Ender 3 Max Neo (lemmy.one)

submitted 4 months ago by pepsison52895@lemmy.one to c/3dprinting@lemmy.world

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When printing on my Ender 3 Max Neo (stock except for a PEI bed), the right side of the bed is always printing too close. I manually leveled the bed, and then I run the auto-leveling sequence. I also have it set to run auto-level before every print, and confirmed that it's enabled using M420 S1 after the G29 in the opening gcode.

I also disabled it in one test with M420 S0 and confirmed that it is making a difference so it appears to be working, but the auto-level map seems to be incorrect every time. Any ideas?

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[-] papalonian@lemmy.world 1 points 4 months ago

I've got a long shot, but I saw a similar post a while back where someone was having extrusion issues on specific parts of the bed. After everyone was digging through diagnosing the gcode, extruder, hotend etc, ended up that the bowden tube was getting bent/stuck at certain positions and was keeping the filament from flowing properly.

IIRC, your printers cables running to the nozzle come from the left side.. are they maybe getting caught on something as the nozzle moves to the right? Or anything else that could cause your print head/ sensor to get pulled or pushed while on that side of the printer?

I saw in a comment you'd mentioned some bolts had come loose - check the bolts holding your z-axes bolts and make sure they aren't loose too. Have you tried calibrating bed tilt? (I don't have dual z so don't know much about this but do know it's a potential problem)

Hope you get it figured out!

this post was submitted on 20 May 2024

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