Zebra Technologies ZTC GC420t send ZPL blank printing

R Rakesh Sahadevan 3 years 5 months ago
89 1 0

We are not able to print Barcode label to GC420T

OS - Ubuntu 18.04 LTS(Linux)

ZPL we are sending
-------------------------
^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

We have tried below options

1) CUPS
lpr -P CupsPrinterName -o raw path/to/label.zpl

2) Direct printing
cat label.zpl > /dev/usb/lp0

None of the options worked. Our application is Java and we have initially tried from Java and didnt worked out.

Please guide us  some hint to debug. Our expertise is on Java and Linux

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1 Replies

D Dmitry Prokhorov

Hello Rakesh,

You can follow this instructions to print configuration label on your printer:
https://www.zebra.com/content/dam/zebra/manuals/printers/desktop/gc420t…
It could provide you some idea on a cause of your issue. Say, printer could be in EPL mode.

Also you may need to use some kind of serial linux usb device file instead of /dev/usb/lp0.
However most reliable option would be to use Link-OS Multiplatform SDK​ for Linux.

Dmitry Prokhorov
Software Engineer, Kutir Mobility
Posted on behalf of Zebra Technologies

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