You can try to check if you are able to pint opening the website in desktop mode.
1-On the page tap on the three dots(...) at bottom
2-Then tap on "View desktop site" and check if the print preview is shown and you can print
If the problem persists, it could be an incompatibility between the technology used by eBay and Microsoft Edge or mobile browsers. In this case, you will need to contact eBay support and check with them if the website has support for the Microsoft Edge browser. You can see how to contact eBay support at this link.
https://www.ebay.com/help/call_us?type=ContactU...
Another option that you can try is to post your problem in the eBay community and check if there are any other users with the same problem that was able to fix it. You can find the eBay community at this link.
https://community.ebay.com/
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.