How do I change the firewall settings to allow my printer to work

Hello Stacey.
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Hi might sound like a real simple question, but im trying to change my firewall settings so the computer can pick up the wireless feature on my printer. 
ive tried following every option and can not find the exact place i need.

Hello Stacey.
It looks like you have asked the same query on our Facebook page too.
We have responded to your query there.
Please keep the whole conversation in one thread to speed up the resolution.