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The Epson WorkForce Pro WF-C5790 is a powerhouse for small offices, but its advanced security features can sometimes lock you out of essential tasks like firmware updates or network reconfigurations. If you are stuck at a login screen, this guide will help you find, change, or reset your administrator password. What is the Default Epson WF-C5790 Admin Password?
By default, Epson secures newer WorkForce Pro models with a unique credential rather than a generic one.
The Serial Number: In most cases, the default administrator password is the product's serial number.
Where to Find it: Look for a white label on the back or side of the printer. The serial number is usually 10 characters long.
Special Labels: If you see a separate sticker specifically labeled "Password" or "PWD," use the 8-digit number printed on that label instead. How to Change the Admin Password
Once you have gained access using the default credentials, it is a critical security step to set a personalized password. You can do this through two primary methods: 1. Using the Printer Control Panel Press the Home button on the touch screen.
Navigate to Settings > General Settings > System Administration. Enter the current password (the serial number) if prompted. Select Security Settings > Admin Settings > Admin Password.
Select Change or Register, enter your new password (8–20 characters), and confirm it. 2. Using Web Config (Browser Access) User's Guide - WF-C5710/WF-C5790 - Epson
The default administrator password for the Epson WorkForce Pro WF-C5790 depends on the specific firmware or access point you are using:
Serial Number (Most Common): For newer models, the default password is the product's serial number found on the label at the back of the printer. It is case-sensitive. epson wfc5790 admin password
"admin" or "epson": If the serial number doesn't work, try entering admin or epson as both the username and password.
Web Config Access: If accessing through a web browser (Web Config), the default user ID is often admin and the password is the serial number or access. How to Find Your Serial Number
If you can't reach the back of the printer, you can print a Network Status Sheet: Navigate to Settings > General Settings > Network Settings. Select Network Status > Print Status Sheet.
The serial number will be listed at the top of the printed page. Troubleshooting
If the password was changed: There is no "master" password. You will need to reset the printer to factory defaults via the control panel (Settings > General Settings > System Administration > Restore Default Settings) to clear the custom admin password.
Locked Out: If you are locked out of the control panel itself, you may need to contact Epson Support for a service reset. Forgot the Administrator Password - Epson
If you have forgotten the administrator password and cannot log into the Web Config or the panel, you must perform a Network Settings Reset or a Factory Reset.
Warning: This will erase all network configurations (Wi-Fi, IP address, email server settings, address book).
If your WFC5790 was leased or managed by a company like Epson Print Admin or PaperCut, the password may be stored on a remote server. In that case, a local reset won’t work—you’ll need to contact your IT department or the leasing company. The Epson WorkForce Pro WF-C5790 is a powerhouse
There’s no secret magic password like epson or administrator for the WFC5790. But with the button-press factory reset above, you can bypass the admin lock in under two minutes.
Have you successfully reset your WFC5790? Let us know which method worked in the comments below.
Disclaimer: These resets are intended for devices you own or are authorized to administer. Do not use this information to bypass security on printers you do not own.
The default administrator password for the Epson WorkForce Pro WF-C5790 is its unique serial number
. This password is required for accessing advanced security settings in Web Config , updating firmware, or changing network settings. 1. Locating the Password
You can find the serial number on a sticker attached to the physical printer. It is typically located in one of the following places: of the printer. or side of the product. Inside the area where the cover is opened. 2. Default Credentials When prompted for login via the Epson Web Config utility or the control panel: User Name: Leave this field serial number found on the printer label. 3. How to Change the 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 you have changed the password and forgotten it, Epson does not provide a standard user-accessible "reset" button for security reasons. You have two main options: Spiceworks Community Contact Epson Support: This is the officially recommended method for password recovery Maintenance Mode (Advanced):
Some users have success accessing a "User Special Mode" by holding the key and the Disclaimer: These resets are intended for devices you
button simultaneously while the printer is off. From this menu, you may find a Password Initialization option to reset it. Spiceworks Community so you can log into the Web Config interface? epson c5790 Admin Password Reset - Spiceworks Community 15 Dec 2021 —
Always ensure you have the latest firmware installed on your printer to avoid any known security vulnerabilities.
Q: Is the WF-C5790 admin password the same as the Wi-Fi password? A: No. The Wi-Fi password connects devices to the network. The Admin password controls printer settings and user access. They are entirely separate.
Q: Why does it say "EPSONWEB" is invalid? A: Ensure you are typing it in all caps. The default username is case-sensitive. Also, ensure you are not accidentally adding a space at the end.
Q: The hard reset didn't work. What now? A: Your firmware may be too new. Epson Pro series printers now use a one-way hash for the admin password. You have two options:
Q: I am the administrator, and I forgot the password. Can Epson recover it? A: No. Epson cannot "look up" a lost password because it is encrypted locally on the printer's memory. They can only provide a master reset code if you prove ownership.
If the panel is PIN-locked and you cannot access settings:
Before resetting the password, ensure you are trying to log in correctly.