All I want from my printer/scanner is to press print, and have it not change its IP address so Windows can’t find it.
Easy fix, go into your router and setup a local static IP for your printer. Sometimes called DHCP IP reservation.
It should give a list all devices and their mac address on your network. Select your printer, then put in the current local IP the printer is using or a new local IP (setting a new local IP will require you to turn your printer off and back on after you save the changes to ensure the new local IP is handed out to the printer.)
Save changes, and you should never have to worry about the printer changing local IP’s ever again.
The FTC didn’t use Signal, Amazon did though for internal communications. When FTC started their investigation, Amazon quickly used the features of signal to delete all their internal communications because they were too spicy for the public and the FTC.