602C931dn

OKI C931dn error 602: Tray communication issues

The OKI C931dn error 602 indicates a communication failure between the controller and the paper tray. This code triggers when the printer detects inconsistent presence signals. Resolving error 602 on C931dn usually involves re-seating the tray or checking for connector obstructions. This printer is an enterprise workhorse.

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Common causes

  • 1Improper tray seating.
  • 2Dirty or damaged electrical contacts.
  • 3Defective tray presence sensor.
  • 4Firmware communication timeout.

Solutions

Diagnóstico rápido

If you see OKI C931dn error 602, remove and re-insert the paper tray firmly to ensure proper electrical contact.

Solución paso a paso

  1. Remove the paper tray.
  2. Inspect for any debris or bent pins.
  3. Re-insert the tray until it clicks.
  4. Power cycle the device.

Prevención y mantenimiento

Avoid slamming the trays shut to preserve the internal electrical connectors.

Cuándo llamar a un técnico

If the tray is still not detected, the tray sensor or internal connection harness may need replacement.

Ficha técnica del equipo