I'm sorry about the issue. What's the exact error or message?
What's the model of your wireless printer?
Does your Wi-Fi / wireless password ***** key have any uppercase letter and/or any special character?
What is the model of your Internet modem/router device?
Do you also have a laptop / wireless computer that is currently connected via wireless? If so, does it have Windows xp, vista, or 7, 8, 10, or Mac?
Please type at the box below, then click on the Send button below to communicate with me, so I can help. Thank you,