380ES2034a

OKI ES2034a Error 380: Troubleshooting Guide

The OKI ES2034a error 380 typically occurs when the device detects an anomaly in the paper feed or input tray configuration. This fault prevents continuous printing and requires a quick check of the paper sensors to restore normal operation. It is essential to ensure there are no physical obstructions in the paper path.

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Common causes

  • 1Misalignment in the lateral paper tray guides.
  • 2Dust accumulation on optical paper presence sensors.
  • 3Use of paper with a weight exceeding the device's specs.
  • 4Natural wear of the pickup rollers.

Solutions

Diagnóstico rápido

The error 380 indicates that the printer detects a problem in the paper path or paper size setting. If your OKI ES2034a is showing error 380 constantly, verify that the tray guides are properly adjusted to the paper format.

Solución paso a paso

  1. Power off: Unplug the main power cable for at least one minute to discharge residual energy.
  2. Inspect trays: Open the paper tray and remove any misaligned paper sheets.
  3. Sensor cleaning: Use a dry cloth to clean the optical paper sensors.
  4. Restart: Reconnect the power and run an internal test page.

Prevención y mantenimiento

Clean the feed rollers monthly with a lint-free cloth lightly dampened with isopropyl alcohol. Ensure you use paper with the recommended weight to avoid premature jams that trigger sensor errors. Genuine toners guarantee a longer service life for internal components.

Cuándo llamar a un técnico

If after performing the steps above the error persists or you hear unusual mechanical noises, the paper sensor may be physically damaged. In this case, replacement of the feed unit is necessary by certified personnel.

Ficha técnica del equipo

  • Technology: Monochrome laser
  • Speed/performance: 34 ppm
  • Connectivity: USB 2.0 and Ethernet
  • Input capacity: 250 sheets standard
  • Compatible consumable: ES2034a Series (Black toner)
  • Recommended use: Medium office
  • Official drivers / firmware

Steps to follow

  1. 1

    Power Cycle

    Unplug the printer for 60 seconds to reset the internal firmware.

  2. 2

    Tray Check

    Ensure the paper tray is seated correctly.

  3. 3

    Restart

    Turn the unit on to verify the error status.

Frequently asked questions

This error usually indicates an issue with the paper feed sensor or tray detection mechanisms.

It is often a temporary firmware conflict that resets easily after a power cycle.

Use genuine ES2034a series toner cartridges for best results and system compatibility.

Regularly clean the feed rollers and keep the printer in a clean, dust-free environment.