Default printer changes when another computer on the network prints to specific printer

So I have a problem at a client site. They have two computers (both Windows 10 Professional) and two printers. When computer A prints to printer 1 it changes the default printer on computer B to printer 1 instead of printer 2. As for the setup on how the printers are installed I can look into it if someone needs that information as well as printer models. Has anyone else seen this?

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