If the client is having issues calibrating a Zebra label printer. Most Zebra Label printers are detected by Windows 10
You can calibrate a Zebra Label printer via 'Printers and Scanners'
1. Open 'Printers & Scanners'
2. Locate the Zebra Printer within the list
3. Click on the printer and click 'Manage'

4. Click on 'Printing Preferences' and then 'Tools'

5. Select 'Reset Printer' then press 'Send'

6. Select 'Load factory defaults' then press 'Send' then press 'Apply'

7. Select 'Calibrate Media' then press 'Send'
