You will probably need the WiFi key for your router. This would be the same as you needed when connecting a laptop. Often the relevent info is written on the back of the router. There is a network settings mode on the printer. Sometimes you are lucky and pressing a seurity button on the router and setting the printer to connect will allow it to automatically happen. Try this once but do it the manual way if no success first time.
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You will probably need the WiFi key for your router. This would be the same as you needed when connecting a laptop. Often the relevent info is written on the back of the router. There is a network settings mode on the printer. Sometimes you are lucky and pressing a seurity button on the router and setting the printer to connect will allow it to automatically happen. Try this once but do it the manual way if no success first time.