900.01CX310dn

Lexmark CX310dn error 900.01: Firmware Fix

The Lexmark CX310dn error 900.01 is a critical software crash indicating that the processor encountered an unexpected exception (Kernel Error). This is common in this series when printing corrupt documents or if the system firmware has damaged files. To fix the 900.01 error on your CX310dn, the most effective method is a forced firmware reinstallation via USB.

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Common causes

  • 1Critical firmware execution failure (invalid instruction).
  • 2Flash memory corruption due to sudden power loss.
  • 3Driver/printer system conflict.
  • 4Syntax-heavy documents overloading the controller.

Solutions

Diagnóstico rápido

If the error appears after sending a document, cancel the job from your PC. If it stays after a restart, the core software is likely corrupted.

Solución paso a paso

  1. Power Off and Disconnect: Shut down and unplug all network cables.
  2. Get Firmware: Download the latest available software from the Lexmark portal.
  3. Install via USB: Flash the new firmware using a USB stick while in service mode.
  4. Verification: Wait for the printer to reboot automatically after the flash process.

Prevención y mantenimiento

Use official drivers for the CX310dn. Never shut down the printer while it is processing a task to prevent flash memory corruption.

Cuándo llamar a un técnico

If the 900.01 error panel persists even after a forced firmware flash, the main logic board is physically failing and needs professional replacement.

Ficha técnica del equipo

  • Technology: Color Laser Printer
  • Speed: 24 ppm
  • Connectivity: USB, Ethernet
  • Compatible consumables: Lexmark 702 series
  • Recommended usage: Small office with color needs
  • Official Drivers / firmware

Steps to follow

  1. 1

    Power Off and Disconnect

    Unplug the printer from the network and turn it off for at least 2 minutes.

  2. 2

    Get Firmware

    Download the latest firmware from the official Lexmark support site.

  3. 3

    Install via USB

    Use a USB flash drive with the firmware file to force a system update.

Frequently asked questions

It signifies a general software error on the logic board, usually caused by a failure when the firmware processes an instruction.

No, this is purely logic-based. Lexmark 702 series toner cartridges are not affected.

Not always; forcing a firmware update from a USB drive often resolves the issue.

Checking for updates once a year is recommended to keep compatibility with new operating systems.