This is a IT issue you need to call Dymo or have your IT person look at it for you.
How to label printer driver setup done?
Please go to help file https://vetport.screenstepslive.com/admin/spaces/1805/lessons/445648
I am not able to print my Prescription labels In Firefox. It is giving me an option to save. Please visit https://desk.zoho.com/hc/en-us/articles/208596816
Visit https://vetport.screenstepslive.com/admin/spaces/1805/lessons/42265 for Small Prescription - Rx and Lab - Dx Label Settings