320MC873dn

OKI MC873dn error 320: Network failure

The OKI MC873dn error 320 alerts the user to an interruption in the device's network communication. When users ask why does my OKI MC873dn show error 320, the solution usually involves inspecting the Ethernet cable or checking the assigned IP configuration. This is a connectivity-related error that does not impact the mechanical printing components.

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Common causes

  • 1Damaged Ethernet cable.
  • 2IP address conflict.
  • 3Firewall or switch port blockage.
  • 4Faulty network interface card (NIC).

Solutions

Quick Diagnostics

Error 320 indicates a handshake failure on the network protocol. Ensure the RJ45 link light is active.

Step-by-Step Solution

  1. Physical Check: Ensure the network cable is tightly connected.
  2. Restart: Reboot the network switch and the printer.
  3. IP Setup: Enter the admin settings and verify the IP address.
  4. Test: Send a test job via the web interface.

Prevention and Maintenance

Use certified Cat6 cabling. Assigning a static IP avoids common connectivity drifts.

When to Call a Technician

If a new cable and manual IP don't fix it, the internal network card may be faulty.

Technical Specifications

  • Technology: LED Digital Electrophotographic.
  • Speed: Up to 35 ppm.
  • Connectivity: Gigabit Ethernet, USB 2.0.
  • Feeding Capacity: Up to 2,005 sheets.
  • Compatible Consumables: 458628xx series toner.
  • Recommended Usage: Networked office.
  • Official Drivers/Firmware

Steps to follow

  1. 1

    Check cable

    Verify the Ethernet cable is properly inserted into the RJ45 port.

  2. 2

    Restart network

    Power cycle the router or switch to refresh IP assignments.

  3. 3

    Reset IP

    Access the admin menu to force a new IP or set a static address.

Frequently asked questions

Error 320 indicates a network link problem, meaning the printer cannot talk to your PC or server.

Usually not; it is a configuration or physical wiring issue.

Use genuine OKI 458628xx cartridges to keep the machine system error-free during diagnosis.

Use Cat6 shielded cables and keep assigned IPs out of the DHCP range.