On the printer screen, go to Settings > Network Settings > Network Status . Write down the IP address (e.g.,
Conversely, the search reveals the second tension: . Small businesses and home offices rarely have dedicated IT staff. If the administrator password is changed from its default and subsequently lost, the WF-C5790 can become a brick. Without it, a user cannot update network Wi-Fi credentials, configure scan-to-email settings, or set up user permissions. Epson’s solution to this problem is a physical reset. Most guides for the WF-C5790 will instruct the user to navigate the printer's touchscreen to "Settings" → "Restore Default Settings" or to use a specific button sequence to reset the admin password back to the factory default. This physical interaction requirement is a security feature—ensuring that someone must have hands-on access to the device to bypass the password.
Log into the interface using the steps listed above. Navigate to Product Security or Device Management . Select Administrator Password (or Change Password ). Enter the current password (the serial number). Type your new, strong password and confirm it. Click Save or Apply . 4. How to Reset a Forgotten Epson WF-C5790 Admin Password epson wfc5790 admin password
Using the default serial number as a password is fine for initial setup, but in a professional environment, it is highly recommended to change the admin password.
If the firmware was recently updated by an IT manager, the password policy might have changed from admin to the serial number automatically. On the printer screen, go to Settings >
Variation 2: The Factory Blank or Legacy Default (Older Firmware)
Do you need to set up or Scan-to-Network Folder (SMB) ? Are you connecting via Wi-Fi or a wired Ethernet cable ? If the administrator password is changed from its
: The default username for this model is usually left blank . How to Change the Admin Password
If the physical screen demands an admin password just to access the "General Settings" menu, you must perform a hard factory reset. Turn off the printer completely.
Note: If you are in a corporate environment and the printer was managed by a remote management software (like Epson Open Platform), the password may have been set by IT policy. In this case, contact your IT administrator before performing a hardware reset, as it may disconnect the printer from the fleet management system.
Allow the printer to restart. The password will revert back to the factory serial number. 🔒 Best Practices for Epson Printer Security