What label printer can I use with my Vend Software?

As can be seen here: http://support.vendhq.com/hc/en-us/articles/201379380-Recommended-Hardware-Peripherals-Computer-Specs , Vend Software providers have tested and recommend the Zebra GK420D label printer. 

Here is a link of the printer from our website: https://www.posnow.com.au/store/label-printers/zebra-gk420d-direct-thermal-label-printer-usb-serial