401B432WB

Fix OKI B432WB error 401: Toner issue

The OKI B432WB error 401 is an indicator that the printer cannot communicate with the toner cartridge's smart chip. This failure prevents printing and is typically caused by improper seating or dirty electronic contacts. Properly re-seating the cartridge often fixes the issue, provided the chip itself is functional.

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Common causes

  • 1Dirty or oxidized chip contacts.
  • 2Incomplete insertion of the toner.
  • 3Damaged chip on the third-party cartridge.
  • 4Worn contact reader inside the printer.

Solutions

Diagnóstico rápido

If the error occurs immediately upon installing a cartridge, it's a connection fault. Verify no pins are bent in the cartridge reader.

Solución paso a paso

  1. Removal: Take out the toner.
  2. Contact cleaning: Wipe the golden chip contacts carefully.
  3. Reseat: Insert and lock into position.
  4. Reboot: Cycle the power to re-read the chip information.

Prevención y mantenimiento

Use original OKI toners. Third-party chips are the #1 cause of this error due to firmware/hardware incompatibility.

Cuándo llamar a un técnico

If genuine cartridges show the error, the printer's own contact reader pins might be damaged.

Ficha técnica del equipo

  • Technology: Monochrome Laser
  • Speed: Fast office output
  • Connectivity: LAN, USB
  • Consumible compatible: Genuine OKI B432 toner
  • Usage: Small business desktop
  • Drivers / official firmware

Steps to follow

  1. 1

    Check cartridge

    Remove the toner and check for any physical damage.

  2. 2

    Clean contacts

    Clean the chip contacts with a clean, dry cloth.

  3. 3

    Install

    Push the toner in firmly until it clicks.

  4. 4

    Verify

    Reboot the printer to refresh chip reading.

Frequently asked questions

It means the toner cartridge is not being recognized, likely due to a poor electrical connection with the chip.

Try cleaning the contacts first. If that fails and it is an old cartridge, the chip might be faulty.

Always use original OKI B432 cartridges to ensure seamless communication with the printer's chip-reader.

The error resets automatically once the printer recognizes a valid, working chip on a toner cartridge.