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server connection error. says enter proxy address. What is that ?

Your proxy server settings are configured in the browser properties. A proxy server provides a central location for an Internet connection. Companies use proxy servers to control internet traffic. Do you have a fixed IP or DHCP , is the printer on wifi or LAN? Try to reset the config on the printer. maybe this will help : http://h30434.www3.hp.com/t5/LaserJet-Pr… Kind regards, kevin