My Macbook Pro running Lion 10.7 will no longer connect to either my HP or Epson printers. Both printers report that they are connected to the correct wireless network and until 2 weeks ago work perfectly.

My Macbook pro running Lion 10.7 will not connect via a wireless network to either of my printers, Epson and HP. Both printers report an excellent connection to the correct network. The Macbook reports "printer not found"
Until 2 weeks ago all worked well. Both printers makes me think some setting in the computer must have changed.
Any suggestions?

System Preferences>Fax & Scan. Delete the printers and re-add them back in.

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