80.04MX931dse

Lexmark MX931dse error 80.04: Toner Supply Issues

Lexmark MX931dse error 80.04 is a toner-related supply error where the printer fails to establish communication with the cartridge's chip. This prevents print jobs from processing. To resolve this error on your MX931dse, cleaning the cartridge pins and ensuring correct placement is the primary fix.

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Common causes

  • 1Dirty or misaligned chip contacts.
  • 2Conflict between cartridge chip and system firmware.
  • 3Physical wear on supply connection pins.
  • 4Improper seating of the toner cartridge within the chassis.

Solutions

Diagnóstico rápido

If the 80.04 error appears immediately after a toner swap, the problem is most likely a contact issue. Check if there is debris on the connector pins or if the cartridge is seated correctly. This error prevents printer usage to avoid hardware degradation.

Solución paso a paso

  1. Extract Toner: Open the front door and pull out the toner cartridge.
  2. Visual Inspection: Look for oxidation or dust on the gold chip contacts.
  3. Gentle Cleaning: Clean the chip pins with a lint-free cloth.
  4. Secure Reinstallation: Push the cartridge in firmly until it snaps into place.

Prevención y mantenimiento

Use only genuine supplies to prevent chip recognition issues. Keep spare toner in a cool, dry place and ensure your hands are clean when handling cartridges.

Cuándo llamar a un técnico

If replacing the cartridge does not solve the 80.04 code, the internal connector array on the imaging unit might need professional repair.

Ficha técnica del equipo

  • Technology: Laser multifunction.
  • Speed/Performance: 60 ppm.
  • Connectivity: USB, Ethernet.
  • Input capacity: 550-sheet tray.
  • Compatible consumables: Lexmark MX93x series toner (Black).
  • Recommended use: Demanding workgroups.
  • Official firmware / drivers

Steps to follow

  1. 1

    Check toner

    Remove the toner and ensure it is the correct model compatible with the MX931dse series.

  2. 2

    Clean contacts

    Wipe the cartridge's contact chips with a soft, dry cloth.

  3. 3

    Reinstall

    Insert the cartridge back into the slot until it clicks securely.

  4. 4

    System reboot

    Power off and on so the system can re-detect the supply level.

Frequently asked questions

Error 80.04 usually indicates the printer cannot recognize the toner cartridge, often due to a damaged chip or dirty contacts.

Yes, using original Lexmark consumables ensures the best reliability and avoids chip communication errors.

Check the status menu on the printer display for estimated remaining toner life.

No, the printer locks itself to prevent potential damage from malfunctioning toner cartridges.