512Pro9420WT

Error 512 OKI Pro9420WT: Troubleshooting

OKI Pro9420WT error 512 relates to the toner supply motor failing to spin or detect the cartridge.

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Common causes

  • 1Improper installation.
  • 2Faulty motor.
  • 3Dirty gears.
  • 4Non-genuine toner.

Solutions

Diagnóstico rápido

If you hear grinding, the gear might be blocked.

Solución paso a paso

  1. Open toner door.
  2. Remove cartridge.
  3. Inspect gear teeth.
  4. Reinstall securely.

Prevención y mantenimiento

Use genuine toner only.

Cuándo llamar a un técnico

If the toner motor assembly is faulty.

Ficha técnica del equipo

Steps to follow

  1. 1

    Reseat toner

    Remove and replace the toner cartridge.

  2. 2

    Check contacts

    Clean metal contacts.

Frequently asked questions

Check for correct toner installation and motor connectivity.

Yes, it interrupts print jobs.

Use genuine consumables only.

Gentle installation.

Error 512 OKI Pro9420WT: Troubleshooting | Vimazdev