I got a new ET-4850.
After i disabled the standard activated "Redirect HTTP to HTTPS" setting under "Network Security Settings". "SSL/TLS"."Basic" the adapter got the most information.
Only the Printer Serial Number couldn't be exctracted while this part only displayed with an admin login.
The Wasted Ink Counter ("Ink_Waste.PNG") is not evaluated.
I got a new ET-4850. After i disabled the standard activated "Redirect HTTP to HTTPS" setting under "Network Security Settings". "SSL/TLS"."Basic" the adapter got the most information.