601B432dn

OKI B432dn error 601: Toner recognition failure

The OKI B432dn error 601 is a communication failure between the toner cartridge chip and the printer. This prevents the printer from verifying the consumable, often triggered by debris on the chip or misaligned installation.

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Common causes

  • 1Dirty or oxidized toner chip contacts.
  • 2Cartridge seating misalignment.
  • 3Printer contact pin deformity.
  • 4Defective chip in non-genuine toner.

Solutions

Diagnóstico rápido

If you see error 601, the system cannot read the toner chip. It is often a dirty contact issue.

Solución paso a paso

  1. Remove: Pull out the toner/drum assembly.
  2. Clean: Clean the gold contact points on the toner chip.
  3. Pins: Check printer internal pins for damage.
  4. Reinstall: Reinsert firmly.

Prevención y mantenimiento

Avoid touching chip contacts to ensure electrical signal integrity.

Cuándo llamar a un técnico

If the issue remains with a known working toner, contact support for contact-board repair.

Ficha técnica del equipo

Frequently asked questions

It indicates a communication error between the toner chip and the printer.

Usually just a cleaning or re-insertion fix.

Only if cleaning fails.

Don't touch the chips with fingers.