Epson Wfc5790: Admin Password

To improve security, you can change the default password using the Web Config interface or the printer's control panel: On the Control Panel: System Administration Admin Settings Admin Password Via Web Config: Open the printer's IP address in a browser, navigate to the Product Security tab, and select Change Administrator Password Requirements: The new password must be between 8 and 20 characters 4. Resetting a Forgotten Password

If the default serial number does not work and you cannot remember a custom password, try these recovery steps: User's Guide - WF-C5710/WF-C5790 - Epson

This will erase all settings. Back up your address book via Web Config if you can log in. If you cannot log in, you will lose your contacts.