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I presume you're talking about something like this? https://www.eirepos.ie/product/gk420d-dt-203dpi-eplzpl-usb-serial-parallel-dispensr/ https://www.eirepos.ie/
by memset 6y ago
I presume you're talking about something like this? https://www.eirepos.ie/product/gk420d-dt-203dpi-eplzpl-usb-serial-parallel-dispensr/ https://www.eirepos.ie/product/gk420d-dt-203dpi-eplzpl-usb-s...
The file format is likely called ZPL ("Zebra Print Language") and you can actually use LPR to send the data - the raw label data - directly to the printer. Use `lpr -o raw`.
If you google for "lpr print zebra zpl" you can find more specific guides, such as https://www.easypost.com/how-to-print-zpl-labels-from-the-command-line-on-mac-unix https://www.easypost.com/how-to-print-zpl-labels-from-the-co...
- jniedrauer 6y agoYep, this is it. Their print daemon is basically a glorified pipe redirect from a web page to the printer. Unfortunately because of the javascript in the middle, it has to be slightly more involved than just running netcat. But not much.