IP icon button at the top, if it is not already selected.
After Protocol: select Internet
Printing Protocol - IPP.
After Address: enter
If using Mac OS 10.3 or earlier, leave out :631
After Queue: enter /printers/publicprinter.
If using Mac OS 10.3 or earlier, leave out
/printers/ leaving only publicprinter.
After Name: you may enter any name to
help you remember that this is the Library printer.
After Print Using: choose Select