31-01B2236i

Lexmark B2236i error 31-01: Toner chip issue

The Lexmark B2236i error 31-01 occurs when the printer cannot communicate with the toner cartridge chip. Fixing Lexmark B2236i error 31-01 is usually a matter of cleaning the electrical contacts and re-seating the unit. Always use genuine parts for better compatibility and fewer communication errors.

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Common causes

  • 1Dirty cartridge electrical pins.
  • 2Toner chip not recognized.
  • 3Outdated device firmware.
  • 4Debris on the printer connector.

Solutions

Diagnóstico rápido

The 31-01 code signals a chip communication fault. Inspect the cartridge for visible damage on the gold chip area before testing a new cartridge.

Solución paso a paso

  1. Turn off the printer.
  2. Remove the toner unit.
  3. Wipe the chip area with a dry cloth.
  4. Re-install securely.
  5. Restart the device.

Prevención y mantenimiento

Keep the printer interior dust-free to protect delicate electronic connectors. Ensure your firmware is up-to-date to support new consumables.

Cuándo llamar a un técnico

If replacing the cartridge doesn't solve the error, the printer's mainboard might not be able to read the chip's input data.

Ficha técnica del equipo

  • Technology: Monochrome Laser
  • Speed: 36 ppm
  • Connectivity: Wi-Fi / Ethernet
  • Compatible Consumables: B22 toner series
  • Recommended Use: Enterprise
  • Official Drivers / firmware

Steps to follow

  1. 1

    Open cover

    Access the internal printer components.

  2. 2

    Inspect chip

    Check the toner cartridge chip for any dust or debris.

  3. 3

    Reinsert

    Reseat the cartridge firmly until the connection is secure.

Frequently asked questions

Clean the contacts on the chip and ensure the toner is installed correctly.

Usually a poor electrical connection between the chip and the printer.

Use B22 series toner cartridges with verified original chips.

Regularly dust the interior of the machine to prevent electrical connectivity issues.