error-390MC562dn

OKI MC562dn error 390: Step-by-Step Fix

The OKI MC562dn error 390 is a standard network communication issue. It typically occurs when there is an IP address conflict or a buffer overflow in the printer's print server. To resolve error 390 on MC562dn, a full network refresh is usually the first step.

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Common causes

  • 1IP conflict: Multiple devices sharing the same address.
  • 2Buffer overflow: Processing large print files.
  • 3Damaged cabling: Physical issues with the Ethernet cord.
  • 4Outdated firmware: Protocol incompatibilities.

Solutions

Diagnóstico rápido

The error 390 is usually accompanied by a 'Network Error' notification on the screen. Check the Ethernet cable for physical damage and ensure the port lights are blinking.

Solución paso a paso

  1. Turn off the printer.
  2. Disconnect the Ethernet cable for 30 seconds.
  3. Turn the printer back on independently.
  4. Reconnect to a different router port.
  5. Manually assign a static IP address in the network menu.

Prevención y mantenimiento

Use surge protectors to prevent electrical noise. Update the firmware periodically. Using original OKI toners prevents excessive dust buildup on internal sensors.

Cuándo llamar a un técnico

If the error persists after a factory reset, the network interface card (NIC) may be faulty and requires professional repair.

Ficha técnica del equipo

  • Technology: Digital LED
  • Speed: 26 ppm color
  • Connectivity: 10/100 TX Ethernet, USB 2.0
  • Input capacity: 350 sheets base
  • Consumibles: MC562 Series (Toner, Drums)
  • Recommended use: Small office
  • Official drivers / firmware

Steps to follow

  1. 1

    Reset Network

    Power off and unplug the network cable for 30 seconds.

  2. 2

    Check IP

    Access the network menu and set a static IP.

  3. 3

    Update Firmware

    Install the latest firmware from the manufacturer's website via USB.

Frequently asked questions

This error points to a communication conflict between the network controller and the print server.

It's a connectivity issue that doesn't damage hardware, but it stops printing tasks.

It uses MC562 series toner and long-life imaging drums.

Keep firmware updated and ensure stable network connections.

OKI MC562dn error 390: Step-by-Step Fix | Vimazdev