11. Lock the setting screw. No need to use excessive torque.
12. Check that all nozzle tips are aligned and touching plate. If needed, release screw(1) and go back to
step 10 of this sequence
13. Move down the printing plate (Z axis): a couple mm will suffice.
14. Release tube holder setting screw(2)
15. Screw in the tube holder to bring it to almost touch the extruder holder block. If setting screw(2) is
not visible, un-screw until you can reach it
16. Lock setting screw(2)
33