I get this error code during initial setup and performed xy axis troubleshooting steps. Support said I may have made the two adjustment screws too tight so I loosed and did it again several times with various levels of tightness of these two screws. There was partial success twice with failures in s…

Yes, I had the issue right out of the box as well and it was very frustrating. My machine was initially unprintable and then after toolhead coordinate tweaks it would only happen from the top left home position like in your picture, then after firmware 9.4 the error became more rare. Here is my pos…

yes, i had the same issue. troubleshooting didnt resolve it. i shut it off moved the head to center of the machine, started up again next day it it worked fine. i have since encountered it 3 or 4 more times. the troubleshooting doesnt solve the issue, but when i switch off the machine completely and…

I had the same issue during my first setup. Try moving the toolhead to the center of the bed and start the calibration from there. My assumption is that when the toolhead is left at the X/Y 0,0 corner(which happens because thats where belt tension guide suggest us to), it doesn’t move far enough dur…

I noticed that the top front has a significant bow that I suspect is the source of my problem. I tried moving the toolhead to the center and this did not help. The door also has a slight gap at the top where the bow is most visible. [image] [image] [image]

[image] How to Submit a Ticket for U1 Customer Service or Technical Support ？ Update - U1 Toolchanger Hi everyone! If you need help with your Snapmaker products or have questions before or after your purchase, we’ve made it easy to submit a ticket depending on…

Snapmaker has scheduled a replacement to be sent. There was no packaging damage so it had to be a manufacturing defect which should have been caught during QA testing.

That’s good to hear! Snapmaker has had some great customer service which is very refreshing coming from a 3D printer company.

U1 Homing Anomaly 0002-0528-0000-0011

U1 Toolchanger

Simon_Zhi December 30, 2025, 3:27am 5

You need submit a ticket at the same time in case the technical staff or fellow users in the forum don’t respond promptly.

Topic		Replies	Views
Sometimes tool changing fails U1 Toolchanger	5	153	March 16, 2026
Unstable homing, tool change anomalies and layer shifts U1 Toolchanger	3	149	March 29, 2026
Failure to launch - Calibration/toolhead parking errors U1 Troubleshooting guides Tips	31	1733	January 8, 2026
DOA. Can't get off the ground U1 Toolchanger	11	206	March 13, 2026
U1 a hoax? U1 Toolchanger	20	293	June 28, 2026

U1 Homing Anomaly 0002-0528-0000-0011

Related topics