Label prints too small with square in corner of label

If the label prints too small, the paper size of the printer should be adjusted:

Settings - Printers & Scanners - Zebra - Printer Properties - Advanced - Printing Defaults:

Also:

Settings - Printers & Scanners - Zebra - Printer Preferences:

For ZPL Mode:

See this page on how to run a TEST by downloading the file: LABEL.ZPL

https://labelary.com/viewer.html

This shows how to send the file to the printer:

https://supportcommunity.zebra.com/s/article/Sending-ZPL-Commands-to-a-Printer?language=en_US

1. Go to Settings - Devices - Printer - Printing Preferences

2. Go to the Tools tab and click Send File. 

3. Enter file and click SEND.

For ZPL Mode in Mac OS:

https://supportcommunity.zebra.com/s/article/Print-txt-files-with-ZPL-code-MAC?language=en_US

Here's other articles that discuss label size:

https://www.lexicontech.com/resources/blog/navigating-label-issues-how-to-ensure-your-zebra

https://help.mainfreight.com/global/en/home/freman-05-printing/troubleshooting/kb5027.aspx

https://supportcommunity.zebra.com/s/article/Two-Zebra-Printers-Printing-Different-Size-Images?language=en_US