[Solved] 3D Print from OrcaSlicer to BambuLab after security update

To print from Orca Slicer to a Bambu Lab printer after the early 2025 security update, you will receive a QMTT verification error unless you do the following:

  • Set Orca Slicer to use Legacy networking and then stop and restart the program.
  • Put the printer into LAN-Only model
  • At the same time, set it to use Developer Mode and confirm you accept the consequences.
12 / 2025