390es9160-mfp

OKI ES9160 MFP error 390: Network Failure

OKI ES9160 MFP error 390 is a system warning related to network communication. It indicates that the multifunction device has lost its connection or is experiencing packet transmission issues. Investigating the local network configuration and physical connections is crucial for troubleshooting.

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Common causes

  • 1IP address conflict within the subnet.
  • 2Defective Cat5/6 cable.
  • 3Local switch/router port failure.
  • 4NIC firmware mismatch or freeze.

Solutions

Diagnostic

If printing requests are timed out across the network, the machine's internal network interface might have encountered a fault or conflict.

Step-by-step Solution

  1. Check Cables: Ensure the Cat6 cable is securely plugged in.
  2. Power Cycle: A full power reset of the machine and the connected switch often restores communication.
  3. Validate IP: Verify the network settings in the control panel.
  4. Firmware Check: Ensure the firmware matches current network protocol standards.

Maintenance and Prevention

Use high-quality cabling. Regularly check the printer status page to verify network latency. Using genuine OKI toner keeps the internal hardware running at peak performance.

When to call a technician

If the NIC (Network Interface Card) fails to display activity lights despite a verified good cable and switch port, internal hardware support is needed.

Technical Data

  • Technology: Digital LED
  • Speed: 45 ppm
  • Connectivity: Gigabit Ethernet
  • Capacity: High-volume feed
  • Compatible consumables: ES9160 series toner
  • Recommended use: Heavy departmental use
  • Drivers / official firmware

Steps to follow

  1. 1

    Check cable

    Verify the Ethernet cable is firmly connected to the network port.

  2. 2

    Network cycle

    Restart both the printer and the network router.

  3. 3

    IP configuration

    Check that the IP settings are not in conflict with other network devices.

  4. 4

    Network reset

    Reset network parameters from the system menu.

Frequently asked questions

Error 390 signals a disruption in the network interface communication, preventing data flow to the machine.

Usually, this is an IP conflict or bad cable, but constant recurrences might point to a failing network card.

The ES9160 series uses high-yield toner designed for departmental printing demands.

Always use static IP addresses in office environments and maintain good physical cabling.