TG2473 Gateway and Apple Bonjour/AirPrint

This gateway will not work with the Apple Bonjour or AirPrint service.  I have both a PC and a mac, and the wireless printers are connected to the network and stable with printing from the PC.  Its just the Mac that won't maintain the connection.  iPad and iPhone cannot print via AirPrint either.  I will have to purchase a modem/router combo or separate components.  This is what tier 2 tech support told me today.  Why they didn't tell me that when they installed this unit 10 days ago I don't know.  I have been trying everything I could find to fix it, and I guess its just that Arris is not compatible with Bonjour.