100016EcoTank ET-2850

Epson EcoTank ET-2850 error 100016: Fix Wi-Fi issues

The Epson EcoTank ET-2850 error 100016 signifies a wireless communication failure. This issue is typically triggered by dropped authentication or IP conflicts with the local network. Restoring network settings through the control panel is the most effective solution.

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Common causes

  • 1Router setting or password changes.
  • 2Network interference in the 2.4 GHz band.
  • 3Local IP conflicts.
  • 4Outdated firmware causing compatibility issues.

Solutions

Diagnóstico rápido

If the 100016 error occurs, the unit cannot connect to the Wi-Fi gateway. Check if other nearby devices are connected to verify if the Wi-Fi signal itself is active.

Solución paso a paso

  1. Network cycle: Power cycle the router and the printer.
  2. Manual config: Access 'Wi-Fi Setup' on the printer display to re-connect.
  3. Frequency: Verify that your router is broadcasting on 2.4 GHz.
  4. Status: Run a network status print from the settings menu.

Prevención y mantenimiento

Setting a static IP for your printer can prevent 100016 errors in some network environments. Always ensure your device firmware is up to date.

Cuándo llamar a un técnico

If the printer fails to scan for any networks, the integrated Wi-Fi card might be damaged.

Ficha técnica del equipo

  • Technology: Wireless Inkjet.
  • Speed: 33 ppm.
  • Connectivity: Wi-Fi 802.11b/g/n.
  • Capacity: 100-sheet tray.
  • Consumible: T522 bottles.
  • Usage: Home/Office.
  • Official drivers / firmware

Steps to follow

  1. 1

    Router cycle

    Turn off your Wi-Fi router for 30 seconds and restart it.

  2. 2

    Reconnect

    Navigate to Network Settings on the printer panel to re-enter Wi-Fi credentials.

  3. 3

    IP Check

    Confirm that the PC and printer are connected to the same wireless network.

Frequently asked questions

This indicates an authentication or communication timeout between the printer and your wireless network.

No, it is typically a network configuration issue or a temporary connectivity conflict.

Always use T522 series ink bottles to ensure long-term reliability and head health.

Yes, periodic firmware updates help maintain compatibility with modern network routers.