Epson Wfc5790 Admin Password 〈TOP-RATED — WALKTHROUGH〉
On many WF-C5790 units, especially older stock or those running older firmware, the administrator account is not set by default.
If you have never manually set an admin password, trying to log in with a blank password is statistically your best chance.
If you see "Invalid Password" or "Wrong Password," someone has already set a custom password. This is common in offices where an IT department initially set up security policies. When that IT person leaves without documenting the password, the printer becomes a brick wall.
You have three options: Use Epson Remote Configuration, perform a partial reset, or execute a full factory reset.
This is the most searched topic regarding this printer, and the solution is where Epson’s strict security becomes a double-edged sword.
If you lose the admin password for the WF-C5790, you cannot simply look it up or use a generic backdoor code.
The Hard Truth: To reset a forgotten admin password on the WF-C5790, you generally have two options:
The default administrator password for the Epson WorkForce Pro WF-C5790 depends on when your specific unit was manufactured. Common Default Passwords Serial Number: For newer models, the default password is the serial number
of the printer. You can find this on a sticker on the back of the device or on the box. It is usually 10 characters long. For some older firmware versions, the default username is and the password is also In some cases, the password field is left blank by default. How to Find the Serial Number
If you cannot access the back of the printer, you can often find the serial number through the control panel: Navigate to General Settings System Administration Printer Status/Print Status Sheet Configuration Status Sheet ; the serial number will be listed there. Resetting the Password
If the default passwords do not work, it likely means the password was changed. To reset it: Admin Settings Reset: On the printer's LCD screen, go to General Settings System Administration Restore Default Settings All Settings
This will revert all network and custom settings to factory defaults. epson wfc5790 admin password
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
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 —
The default administrator password for the Epson WorkForce Pro WF-C5790 Go to product viewer dialog for this item.
is typically the product's serial number. This is an 8-to-10-digit alphanumeric code usually found on a sticker on the back or side of the printer. Password Quick Reference Default Password: Serial Number (case-sensitive).
Older Firmware/Models: Some users report admin or access as legacy defaults, though the serial number is the current standard for this series. Web Config Username: admin or EPSONWEB. Review of the Security System
The transition to using serial numbers as default passwords is a significant security improvement over generic defaults like "1234." However, it presents a few usability hurdles: On many WF-C5790 units, especially older stock or
Physical Accessibility: If the printer is installed in a tight cabinet or mounted, reading the serial number from the rear label can be frustrating without moving the entire unit.
Input Friction: Entering a long, case-sensitive alphanumeric string on the printer’s small touchscreen is prone to typos compared to a standard word-based password.
Firmware Updates: Epson frequently prompts for this password during firmware updates. If you have changed the password and forgotten it, you may be locked out of critical security patches. How to Change or Reset
If you find the serial number cumbersome, you can update it via the control panel:
Navigate to Settings > General Settings > System Administration. Select Security Settings > Admin Settings > Admin Password. Choose Register or Change to set a new custom password.
If you have forgotten a custom password, you will likely need to contact Epson Support for a master reset, as there is no user-accessible "hard reset" button for the admin password on this model.
Are you having trouble accessing the web interface specifically, or are you locked out of the physical control panel?
Controlling a Networked Projector Using a Web Browser - 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.
"admin" or "epson": If the serial number doesn't work, try entering admin or epson as both the username and password. If you have never manually set an admin
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
This guide covers the default credentials, why they exist, how to reset a forgotten password, and critical security notes for network administrators.
If your WC-5790 is managed by an office IT department or an MSP (Managed Service Provider), they may have set a Unique Global Password. In this case:
If you never set a password, why is the printer locking you out? There are three common scenarios:
This is the most reliable method:
⚠️ Warning: A full factory reset clears your Wi-Fi credentials, scan destinations, and address book. You’ll need to set up the printer again from scratch.