Download the newest firmware from HP’s site for the printer in question.
Open the firmware’s folder and extract the firmware.
Open a second Explorer Window and type ftp://192.168.40.5 (printer’s IP) and hit Enter. Double click on the PORT folder to open it.
Copy and past the .RFU file from the network folder to the FTP based folder.
The display on the front of the printer will display “Receiving Upgrade”. Once done the printer will reboot itself and show Ready.
On the printer’s management site we should then see the new firmware version displayed:
HP has come a long way from connecting either a parallel or USB cable and uploading the firmware file by a series of commands.
Microsoft Small Business Specialists
Co-Author: SBS 2008 Blueprint Book