900.00MX310dn

Lexmark MX310dn Error 900.00: System Fix

The Lexmark MX310dn error 900.00 is a generic system code signifying a crash in the controller card firmware. It often occurs due to memory overflow when processing complex documents. A cold reboot is the primary method to restore standard printer functionality.

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Common causes

  • 1Controller card firmware crash.
  • 2Corrupt print job data.
  • 3Sudden electrical fluctuation.
  • 4Outdated device software.

Solutions

Diagnóstico rápido

The error appears on the main screen, freezing the printer's UI. It is likely triggered by a document that the controller cannot parse.

Solución paso a paso

  1. Disconnect the power cord fully for 5 minutes.
  2. Delete all pending documents in the PC print queue.
  3. Disconnect all interface cables (USB/LAN).
  4. Power on the printer to check if the firmware boots.

Prevención y mantenimiento

Use a surge protector to guard the system board. Always keep your Lexmark printer firmware updated via official support channels.

Cuándo llamar a un técnico

If the 900.00 error repeats every time the printer boots, the main logic board may be faulty and require replacement.

Ficha técnica del equipo

  • Technology: Monochrome multifunction laser printer.
  • Speed: 35 ppm.
  • Connectivity: USB, Ethernet.
  • Capacity: 250-sheet input.
  • Consumible: Lexmark 60F Series Toner.
  • Use case: Small/Medium office.
  • Official drivers / firmware

Steps to follow

  1. 1

    Hard Power Cycle

    Unplug the printer and leave it off for 5 minutes.

  2. 2

    Clear Print Queue

    Cancel all jobs pending on your computer.

  3. 3

    Boot Up

    Reconnect the power and turn the unit back on.

Frequently asked questions

Error 900.00 typically indicates a firmware or system board conflict during execution.

Often it is a temporary glitch, but it can indicate hardware fatigue if it persists after a reset.

It uses the Lexmark 60F series toner cartridges.

Regularly update the device firmware and ensure clean power delivery.