Check the HP Officejet Pro L7300/L7500/ L7600/L7700 All-in-One series
"Configure the fax header:
The fax header prints your name and fax number on the top of every fax you send. HP
recommends that you set up the fax header by using the software that you installed with the device. You can also set up the fax header from the control panel, as described here.
NOTE: In some countries/regions, the fax header information is a legal
To set or change the fax header
1. Press Setup.
2. Press Basic Fax Setup, and then press Fax Header.
3. Enter your personal or company name using the numeric keypad, and then press OK.
4. Enter your fax number by using the numeric keypad, and then press OK.
To set or change the fax header via the embedded Web server
▲ Select the Settings tab, select Fax from the left pane, select the Basic sub-tab,
and then enter the Fax Header Name and Fax Number. Click the Apply button."