Can you use the EWS of the printer from your browser? If not, then there is a connection problem.
Manuals:
http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&lc=en&dlc=en&document=&product=4083977
http://h10032.www1.hp.com/ctg/Manual/c02519721.pdf
D Network setup
E Printer management tools
8 Solve a problem