← All Default Passwords
Epson

EcoTank ET-4850 Default Password

Printer Medium Risk HTTP :80
🔑 Default Credentials
Username adminCopied!
Password (blank)Copied!
Protocol HTTP
Port 80
⚠️ Security Warning: Default credentials are the #1 cause of device compromise. Change these immediately after deployment. Attackers actively scan for devices using factory defaults.

📖 Device Notes

Epson EcoTank ET-4850 default web admin password is typically blank or the serial number.

🔧 How to Change Default Password

  1. Connect to the device via HTTP on port 80
  2. Login with the default credentials shown above
  3. Navigate to Administration, Security, or User Management settings
  4. Change both the username and password to strong, unique values
  5. Use a password manager to store the new credentials
  6. Disable remote management if not needed
  7. Enable firmware auto-update if available

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