Printing with HP Deskjet 3820

[paul]

I'm trying to configure my Deskjet 3820 using CUPS but have a feeling 
I'm doing something wrong I installed cups went to 
http://localhost:631/admin and added a printer I'm not exactly sure if I 
did it right I got the directions from the freebsddiary but I entered 
/dev/lpt0 for location heres my dmesg output:
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
I did the ipp://localhost/ipp/ like in the freebsd diary and tryed 
printing a test page nothing happens though this is all I have done so 
far and would appreciate help
regards -Paul