Label printing is super critical for warehouse applications. We need rugged devices from Zebra. Alternatively Dymo, Brother(who has joined).
JSN00 at least for us it is not done with having just the print connector:
1) Some of those printers will get their print commands "directly" but still over the print queue. Possibly we could connect them to the servers directly, but we prefer to have all printers connected via one channel. Otherwise no one would no where to look.
2) Currently there is no support for custom paper sizes on UP.