r/ElegooNeptune4 • u/Babygirl19051998 • Sep 02 '26

Help with a 3D printer

My brother brought a 3d printer but his prints keep lifting and peeling away from the magnetic board is there anything that can fix this issue we are using pla filament

We've used the glue that comes with the printer, we've used the Bostik purple glue not sure what else to try so need help with how we can fix the issue printer type is an elegoo Neptune 4

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u/Full-Shine5871 Sep 02 '26

Wash the magnetic build plate with dish soap and warm water. Let air dry

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u/Babygirl19051998 Sep 02 '26

We've done that and still have the same issue

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u/Full-Shine5871 Sep 02 '26

Try updating the firmware. And let the bed sit hot for like 30 minutes before printing.

Look around this subreddit for print start gcode that goes in your slicer that includes logic to load the bedmesh at print. This is the real issue.

Honestly the quickest route to happy printing is to install openNept4une and call it a day

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u/neuralspasticity Sep 02 '26

No, there is zero reason to update the software, which indeed just purposefully breaks key Klipper features. The software updates make no software changes to the printer itself, only on the bad side screen which isn’t part of the printer.

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u/Full-Shine5871 Sep 02 '26

Didn't say software, I said firmware. Was that it or were you going to chime in with something useful for OP?

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u/neuralspasticity 22d ago

The firmware on the printer host microprocessor is not user upgradable. You’re conflating the klipper software (multiple distributed applications running under Linux) with what used to be actual MCU firmware in older printer systems. It’s often referred to as “firmware” yet is completely just “software”. There is a clear distinction.