Archive password to unlock: arisscoot.blogspot.com
Once downloaded, then Extrack file on drive D: or E: (in order to be easy to find).
Then click Windows START button, Select Devices and Printers.
Right click and select " Add a printer " , Select "Add a local printer"
Select the option "Use an Existing port" , choose USB001 (Virtual printer port for USB) then Next.
Select manufacture "HP", see the column on the right, check whether or not the type of printer HP Deskjet 3900, if there is then click Next.but if not available, click " Have Disk ".
Then locate the folder that had already downloaded , select the file "hpf3900a.inf" then Open. follow the instructions as shown below:
Then you just press the Next button until the Finish button appeared.
Well, now the printer is ready to be used. Hope it works and helpful..!!