What HW version is your router?
What FW is currently loaded?
What version of SP are you using?
Does the printer have a LAN connection as well or only USB?
What HW version is your router? A2
What FW is currently loaded? 1.10,
What version of SP are you using? 3.1.0 R1
Does the printer have a LAN connection as well or only USB? Not sure how to answer this. I did find the information below.
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00229702&prodSeriesId=410622