Trying to send ZPL to GC420t but printing only Blank label. Following options tried,
1) Through CUPS: Zebra Printing with CUPS no print ZPL or EPL - Empty label
2)cat label.zpl > /dev/usb/lp0
OS - Ubuntu 18.04 LTS CUPS ZPL
^XA
^PW950
^CI28
^LH10,10
^FO300,45^A0N,20,20^FDChuridar piece^FS
^FO300,65^A0N,10,10^FD^FS
^FO340,65^A0N,20,20^FD235.0^FS
^BY2,3.0^FO300,85^BEN,60,Y,N^FD1111111113882^FS
^JUR
^XZ
Our application is Java and face same issue. Surprisingly it works from Python CUPS.
Please help to work directly from Unix or Java.