402ES4192dn

OKI ES4192dn error 402 solution

The OKI ES4192dn error 402 occurs when the printer detects a paper path inconsistency following a jam. This is common when small paper fragments remain stuck in the exit sensor area. Always ensure your paper stock is within specifications to minimize these events.

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Common causes

  • 1Residual paper stuck in the exit sensor.
  • 2Toner debris clouding the sensors.
  • 3Worn-out rubber feed rollers.
  • 4Paper stock density out of bounds.

Solutions

Diagnóstico rápido

This error implies an obstruction in the output path. Look for debris near the rear output bin or inside the fuser assembly.

Solución paso a paso

  1. Open all input trays.
  2. Carefully check the fuser door for stuck fragments.
  3. Clear the paper path using a gentle pull.
  4. Power cycle the device.

Prevención y mantenimiento

Ensure your paper is stored in a dry place. Clean rollers every 90 days to prevent misfeeds and path errors.

Cuándo llamar a un técnico

If the error 402 remains active despite no physical jams, the exit sensor may have failed and requires professional repair.

Ficha técnica del equipo

  • Technology: Digital LED
  • Print speed: 40 ppm
  • Connectivity: USB 2.0, Ethernet
  • Feed capacity: 250 sheets
  • Consumibles: ES4192 Series Toner
  • Usage: Small office
  • Official drivers / firmware