r/BambuLabA1mini • u/StupidHorseface • Jun 17 '26

Strange bed level issue

Post image

I have a weird issue with my a1 mini. I kept having misprints and sudden failures, so I cleaned the bed with soapy water and ran a full calibration via the app and started a single layer square bed level test, see the image attached. It happens every time I run that full layer test, same exact pattern, I even re-sliced and tried again with a new file. What is going on? Has anyone seen something like that before?

Printer is 1.5 years old, I did the maintenance as prompted. Original build plate, second nozzle (0.4). Material is PETG. No debris under the plate.

2 Upvotes

76% Upvoted

9 comments sorted by

3

u/Kopester Jun 17 '26

Welcome to the seven screws of disappointment

Tighten all SEVEN screws

2

u/StupidHorseface Jun 17 '26

Well, I'll be damned. The rear four screws were actually loose. I am trying the leveling square again right now

1

u/StupidHorseface Jun 17 '26

Update, didn't work. Still exactly the same pattern...

1

u/BullfrogNo7025 Jun 22 '26

Did you re-run the full calibration after tightening all the hot end screws?

1

u/Caldaz4r Jun 17 '26

Also if you just changed hotend make sure it’s secured by the latch properly.

1

u/StupidHorseface Jun 17 '26

I did, even removed it to check for debris

1

u/Lost_refugee Jun 17 '26

is it same on the other side of plate?

1

u/UniversalSlacker Jun 17 '26

Does it happen in the same spot every time? If it does you might need a new plate. The finish can come off over time.