Mac OS X Tiger (10.4) supports five printing protocols:
1.AppleTalk
2.Bonjour
3.Internet Printing Protocol (IPP)
4.Line Printer Daemon (LPD)
5.HP Jet Direct – Socket
To add an Internet Printing Protocol enabled, Line Printer Daemon enabled or HP
Jet Direct – Socket enabled printer, click on the 
button and follow the instructions to add an IP Printer beginning on “Adding an IP printer” session.
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