Troubleshooting Zebra ZTC-ZT220 & ZTC ZT231 Label Printers
Printer not grabbing IP Address and printing config paper resulting in 0.0.0.0 IP address.
If printer is having multiple issues with printing, connecting to internet or sensors aren't calibrating use this method.
Ticket Reference 22091 & also linked below.
https://helpdesk.hpgbrands.com/a/tickets/22091?current_tab=details
Here is the link to diagnostic tools and calibration if UI isn't working and if you are experiencing the symptoms above.
https://support.zebra.com/cpws/docs/ztseries/ZT_Defaulting.pdf