User guide
Zebra GK420t User Guide  COBISS System Management 
18/18  © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.0 
Figure 28 : Media calibration 
Select Action under Command type and Calibrate media under Command name as shown in 
Figure 28. By clicking the Send button new re-calibration parameters are sent to the printer. 
After that retry printing a label. 










