User guide
Zebra GK420t User Guide  COBISS System Management 
10/18  © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.0 
Figure 15 : Selecting the right software package with drivers for GK420t 
Before downloading the driver package, the confirmation window will open and ask if you agree 
to the specified terms. Click the field to start the download: 
After the package has been downloaded, run the package (administrator privileges are required 
for the installation of drivers) and follow the instructions (select ZDesigner GK420t if asked for 
which printer model you wish to install the driver). 
4  Printer settings (for COBISS3) 
Once  you  have  installed  the  drivers,  update  Zebra  GK420t  printer settings  before you  start 
printing labels. Go to Control Panel and select Devices and Printers. All available printers are 










