Problem wireless HP printer and Ubuntu 10.10

Sorry, I'm inexperienced in this matter.
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So. I have a laptop Asus N71J, installed on it Ubuntu 10.10, hanging in the room the modem is connected to Wi-Fi access point. It all works fine if you just need the Internet. But you need to connect the printer.
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Googled. Wrote about Cups. Installed, tried to configure, no prints and all. Using standard tools tinkering, but also.
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I'm a little do not understand the scheme and what to do. For example I don't understand how the printer ask to what point to connect and what password. Because it is in range of 8 different points.
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Do not understand how and what. :(

so what's the problem? Any information give. The router is used at least or through AD-hoc trying? Any error when connecting? As tried to connect? In what place plugging.
Who so the questions asks...

Thank you very much! Rescued!
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Figured out, everything works and prints!