HP Scanjet Enterprise 7000n , HP Color LaserJet CP5525, HP Color LaserJet CM4540 MFP and HP LaserJet M4555 MFP - HP Imaging and Printing Security Best Practices

Chapter 7 HP LaserJet and Color LaserJet MFP Security Checklist 76
No way to change the From Address on email send jobs: Depending on the capabilities of your
network, the MFPs will place either a default from address or the user's email address of the user
who logged into the MFP. It will provide no method to change it.