I have an HP Photosmart C4340 series. Did this thing bought in the assumption to infect it, install and you're done. I am not a beginner what IP addresses and the like are concerned. I am more than 5 hours. Busy to get it to work. Hab countless times tried the network access permissions to loosen to forgive corresponding IP addresses, sought and tested the web for possible IP's, tried several times to install the program in different versions ... The great thing is that nowhere is something with which devices it is any compatible. I've given up and this "thing" called into the corner ... Have now ordered me to print servers Digitus. Is somewhat more expensive but at least you go straight away '