Xerox WorkCentre 3325 error 016-753: Network error guide
The Xerox WorkCentre 3325 error 016-753 is a common fault when trying to use 'Scan to Email'. It happens when the printer fails to connect to the SMTP server due to configuration or security restrictions. Knowing how to fix error 016-753 on Xerox WorkCentre 3325 allows you to restore this workflow quickly.
Common causes
- 1Blocked SMTP server or incorrect port.
- 2Missing App Password for modern email services.
- 3Expired or invalid SSL certificate.
- 4Two-factor authentication not handled correctly.
Solutions
Quick Diagnosis
Error 016-753 usually pops up after password changes or security policy updates. If it worked previously, check port settings and SSL/TLS certificates.Step-by-step Solution
- Access the printer web UI (CWIS).
- Navigate to SMTP settings and re-validate server address, port, and auth info.
- Generate an App Password if using Gmail/Outlook, as standard passwords are often rejected.
- Test the connection using the built-in CWIS tool.
Prevention and Maintenance
Always use application-specific passwords for office devices and maintain an updated log of your server parameters.When to call a technician
If your email provider confirms settings are correct but the printer still rejects the connection, server firewall IP restrictions might be the culprit.Technical specifications
- Technology: Monochrome MFP
- Speed: 35 ppm
- Connectivity: Ethernet/Wi-Fi
- Compatible consumable: WorkCentre 3325 toner series
- Drivers / official firmware: https://www.support.xerox.com/workcentre-3325
Steps to follow
- 1
SMTP review
Verify SMTP server and port (usually 587 or 25) are correct in CWIS.
- 2
User settings
Ensure the email account allows app access or use App Passwords.
- 3
Network test
Run a test email from CentreWare to confirm configuration.
Frequently asked questions
Error 016-753 means the printer cannot communicate with the mail server for 'Scan to Email', usually due to credentials or blocked protocols.
If using services like Gmail or Microsoft 365, you likely need to enable App Passwords for the printer.
No, error 016-753 is purely software-related; toner status has no impact here.
Ping the SMTP server from a computer on the same network; if successful but the printer fails, double-check CWIS SMTP settings.