I wonder how small they can be. Would be an amazing watch display.

Get off my lawn!

Nick checks out.

There's a way to rollback the firmware for this family of models, check out on the internets. I did it, and it solved the same issue for me.

Some useful links I remember using back then:

https://www.reddit.com/r/printers/comments/qcstzv/downgrade_... (in German)

https://github.com/CauldronDevelopmentLLC/oh-brother/issues/...

https://www.reddit.com/r/printers/comments/w60687/comment/ih...

https://www.reddit.com/r/printers/comments/w9bc3g/downdgradi...