390MB260

OKI MB260 error 390: Quick fix and troubleshooting

The OKI MB260 error 390 occurs when the control board detects an issue with the main drive motor. This error effectively locks the system, preventing printing operations. Most users can clear the code by following a proper power cycle sequence.

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Common causes

  • 1Power surge affecting the internal controller.
  • 2Mechanical wear on drive gears.
  • 3Minor paper debris blocking sensors.
  • 4Firmware failure.

Solutions

Diagnóstico rápido

Error 390 usually occurs during the warm-up phase. If the printer makes unusual noises before stalling, a mechanical obstruction is likely.

Solución paso a paso

  1. Power off: Turn off the unit and disconnect from the power source for one minute.
  2. Clear obstructions: Inspect the paper path and toner cavity for debris.
  3. Power cycle: Connect directly to a wall socket to rule out surge protector issues.
  4. Restart: Turn the unit on and allow it to initialize.

Prevención y mantenimiento

Keep the printer in a cool environment and use official toner to prevent debris build-up.

Cuándo llamar a un técnico

If the code persists after a reboot, the motor or control board may be failing.

Ficha técnica del equipo

  • Technology: LED Digital
  • Speed: 26 ppm
  • Connectivity: USB 2.0, Ethernet
  • Feed capacity: 250 sheets
  • Consumable: B411 / MB260 series
  • Use case: Small Office
  • Official Drivers / firmware

Steps to follow

  1. 1

    Power off

    Turn off the printer and unplug the power cable for 60 seconds.

  2. 2

    Clear obstructions

    Check the toner area for any paper remnants.

  3. 3

    Power cycle

    Plug the unit directly into a wall outlet and restart.

Frequently asked questions

It indicates a communication error between the logic board and the main motor, often due to power fluctuations.

It's a blocking error but usually recoverable via a power cycle. If it persists, seek professional repair.

It uses the B411/MB260 series toner. Original cartridges are recommended to ensure machine longevity.

Monthly internal cleaning is advised to prevent dust accumulation.

OKI MB260 error 390: Quick fix and troubleshooting | Vimazdev