016-749versalink-c405n

Xerox VersaLink C405n error 016-749: Fix

Xerox VersaLink C405n error 016-749 occurs when the printer fails to establish a connection with the mail server during an 'Scan to Email' process. If you are asking why is my Xerox VersaLink C405n showing error 016-749?, you are likely facing an authentication or network configuration issue within the device management settings.

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Common causes

  • 1Incorrect SMTP credentials.
  • 2TLS/SSL protocol mismatch.
  • 3Network DNS resolution failure.
  • 4Firewall blocking email traffic.

Solutions

Diagnóstico rápido

This error appears during network scanning operations. First, check your network connection and DNS servers.

Solución paso a paso

  1. Login via web browser interface.
  2. Navigate to 'Properties' > 'Email'.
  3. Verify SMTP server settings and authentication credentials.
  4. Test the connection.

Prevención y mantenimiento

Set a static IP to avoid connection drops. Update printer firmware regularly. Use genuine toner to maintain internal sensor accuracy.

Cuándo llamar a un técnico

If the configuration is confirmed correct but the error remains, contact network support or Xerox technical help for board diagnostics.

Ficha técnica del equipo

  • Technology: Color Laser MFP.
  • Speed: 36 ppm.
  • Connectivity: Ethernet, USB, Wi-Fi.
  • Feeder: 700 sheets.
  • Consumables: VersaLink C400/C405 Toner.
  • Usage: Corporate environments.
  • Official drivers

Steps to follow

  1. 1

    Check IP settings

    Ensure the printer has a static IP.

  2. 2

    Update SMTP

    Verify the email server and credentials.

  3. 3

    Restart unit

    Reboot the printer to refresh connection.

  4. 4

    Perform test scan

    Scan a test document to confirm success.

Frequently asked questions

This code is an SMTP authentication failure during email submission.

No, it's a configuration issue with the email server.

Use official VersaLink C400/C405 toner series.

Keep firmware current and verify DNS settings.