Ad-Hoc/Peer-to-Peer connectivity
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Yah you're right, i forget there's an Ad-Hoc but it is not advisable to used because it requires in-depth understanding of wireless networking. You will need to change the network settings of your computer, configure the wireless printer adapter, and then restore your computer to the original network settings. But if the customer insists, still we have to kiss their ass. support them. lolz!