I have a G4 iMac (10.4), an Airport Extreme 11n, an Epson C80 printer (via USB to the Airport) and a HP 7280 printer (via wireless to the Airport) in a network, which works just fine. I just added a MacBook Pro (10.5) (wireless to the Airport). I can’t get the MacBook Pro to print on either printer. I get error messages that say “communications error” and “job stopped”. The System Preferences/Print & Fax panels on both computers show both printers, and the software for both printers in on both computers. Any suggestions as to what I should do to solve this problem? Thanks!