520C931dn

OKI C931dn error 520: Toner sensor issue

The OKI C931dn error 520 points to a communication error between the printer and the toner cartridge sensor.

0 views

Common causes

  • 1Dirty chip.
  • 2Damaged chip.
  • 3Loose fit.
  • 4Sensor fault.

Solutions

Diagnóstico rápido

Check the cartridge chip for oxidation or dust.

Solución paso a paso

  1. Take out toner.
  2. Clean contacts with alcohol.
  3. Reseat firmly.

Prevención y mantenimiento

Avoid touching the chip.

Cuándo llamar a un técnico

If the connector board is faulty.

Frequently asked questions

Toner sensor failure.

Clean contact points.

Recommended.

Keep clean.

OKI C931dn error 520: Toner sensor issue | Vimazdev