I believe someone built a Linux print driver that let you print straight to these and it would upload the file.
Related to the Xteink X3 reader mentioned in TFA:
https://news.ycombinator.com/item?id=49596629
I believe someone built a Linux print driver that let you print straight to these and it would upload the file.
Related to the Xteink X3 reader mentioned in TFA:
https://news.ycombinator.com/item?id=49596629