016-781AltaLink C8180

Xerox AltaLink C8180 error 016-781: Full Guide

The Xerox AltaLink C8180 error 016-781 occurs when the device cannot communicate with a network server, such as an email (SMTP) or domain (DNS) server. Why does my Xerox AltaLink C8180 show error 016-781? Generally, the fault is caused by incorrect network configuration or access restrictions on the server side. It is a powerful multifunction device designed for complex office environments.

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Common causes

  • 1DNS server inaccessible or misconfigured.
  • 2Invalid SMTP credentials for scan-to-email.
  • 3Firewall filtering blocking the outbound port.
  • 4IP configuration conflict with another device.

Solutions

Quick Diagnosis

If you encounter this error while scanning to email or shared folders, it is a logic-based connectivity problem. Check if other network devices can access the same outbound services.

Step-by-Step Solution

  1. Network Validation: Confirm the Ethernet cable is securely connected and the device has a valid IP.
  2. DNS Settings: Access the web interface (CentreWare) and ensure all DNS server addresses are accurate.
  3. SMTP Authentication: If scanning to email, verify that your username and password are correct.
  4. Service Restart: Save changes and restart the multifunction panel.

Maintenance and Prevention

Perform regular Xerox firmware updates to ensure compatibility with modern network security protocols. Using genuine toner ensures consistent image quality and long-term system performance.

When to Call a Technician

If network settings are verified as correct and the error persists, the network interface card (NIC) might be physically failing.

Equipment Technical Specs

  • Technology: LED Color Multifunction.
  • Speed: Up to 80 ppm.
  • Connectivity: Gigabit Ethernet, NFC, Wi-Fi optional.
  • Capacity: Up to 5,140 sheets.
  • Compatible Consumables: Xerox AltaLink C8100 series toner.
  • Recommended Use: Enterprise large environments.
  • Official Xerox Support

Steps to follow

  1. 1

    Check Network

    Ensure the device Ethernet connection is stable.

  2. 2

    Update DNS

    Verify that DNS server settings are correct.

  3. 3

    Reboot

    Restart the printer to apply settings.

Frequently asked questions

This error occurs when communication with SMTP or DNS servers fails.

No, it's a common connectivity configuration error.

Uses original Xerox AltaLink series toner.

Keep firmware regularly updated.