If you have crashed your print head, and the nozzle is bent horrendously (non-perpendicular to printbed, this alignment fixture allows you to more accurately align the nozzle (compared to cranking on it with your ape hands). Although a replacement is the more permeant and robust solution, this will help you out in a pinch, or while the replacement is in shipping.

(Remember that Bambu lab also ships printers with a replacement out of the box)

Assembly Parts:

4x - M5x20mm Screws

2x - M3x16mm Screws

Find M-Screw Assortment here: https://amzn.to/3wYQaaJ

2x - Shim/guard (Protects nozzle from scratching/marring)

“In a pinch” Parts:

1x - M5x20mm Screw (In this setup you remove the screw and replace it to the respective side that needs correction

Alternatively - Print an M5x20mm screw / use any screw that fits (worse case scenario)

Directions:

Step 1: Remove bent nozzle from printer, and inspect to make sure damage is not catastrophic.

-heat break should not be cracked, crimped, or have any damage other than a general bend.

Step 2: Insert nozzle into the alignment fixture, and use 2x M3x16mm Screws to secure the nozzle to the alignment fixture.

Step 3: Insert 4x M5x20mm into top 4 correction holes

Step 4: Identify which directions your nozzle needs correction, begin with the direction that needs the most correction.

Step 5: Insert shim to protect the nozzle's surface

Step 6: Turn correction screw clockwise in steps of 1-2mm, periodically turning the correction screw counter-clockwise to check your progress. The nozzle will likely act like a spring, and will need to be pushed past 90 degrees to achieve the best alignment. It is best to go slow, so you do not need to fix an overcorrection.

Step 7: Repeat Steps 5&6 until the nozzle is straight and true.

Step 8: Remove the nozzle from the alignment jig by unscrewing the M3x16mm screws located on the bottom of the jig.

Step 9: Visually inspect the nozzle, hopefully that nozzle has been correctly aligned. Understand that this is in no way perfect, and you should replace the nozzle as they only cost ~$15. However, this might get you by in a pinch, and I hope it helps!

-Roberts & DeMonico Engineering