when adding MK3S+ and brand new install of Prusa link, get 404 not found from connect.prusa3d.com
 
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when adding MK3S+ and brand new install of Prusa link, get 404 not found from connect.prusa3d.com  

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Karlg100
(@karlg100)
Member
when adding MK3S+ and brand new install of Prusa link, get 404 not found from connect.prusa3d.com

when configuring a brand new install of Prusalink on a Pi Zero2, the wizard goes all the way to the end, talks to the printer, etc. but when it goes to register with Prusa connect, I get a 404 in the browser window that pops up.

I've tried 3 revs back, same issue. looks like this URL has not changed for 4 years.  broken in prod?

the URL it's attempting to use: 

https://connect.prusa3d.com/add-printer/connect/1.3.1/ [code]?location[location]

1.3.1 seems to map to the MK3S+.

I see others complaining about this on the Prusa link GitHub issues as well.

Posted : 16/01/2026 4:07 pm
Karlg100
(@karlg100)
Member
Topic starter answered:
RE: when adding MK3S+ and brand new install of Prusa link, get 404 not found from connect.prusa3d.com

it did register one time, but I had an issue with the SD card , and did a fresh install on another SD card but now breaks.

it looks like the [code] element is a one time use and comes from the printer itself?  How does one re-register if the first OS install of Prusalink was lost?

Posted : 16/01/2026 4:16 pm
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