error-003ES9541

OKI ES9541 error 003: Tray Problem

The OKI ES9541 error 003 signals an anomaly in the paper feed system, specifically the main input tray. When this error appears, the printer detects a mechanical obstruction or a communication error in the out-of-paper sensor, preventing the unit from processing print jobs.

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Common causes

  • 1Improperly loaded paper.
  • 2Worn or dirty feed rollers.
  • 3Obstruction by paper scraps.
  • 4Input tray sensor failure.

Solutions

Diagnostic

Error 003 is triggered if paper guides are improperly set or if fragments block the input path.

Step-by-step resolution

  1. Open the main paper tray completely.
  2. Check for missing fragments or folded paper sheets.
  3. Wipe feed rollers with a dry cloth.
  4. Close the tray and ensure the sensor clicks.

Prevention and maintenance

Fan the paper before loading to reduce static. Clean the feed rollers with an official kit regularly.

When to call a technician

If verifying the tray fails to clear the code, an internal feed lever sensor may be broken and needs replacement.

Equipment data

  • Technology: LED Laser Printer
  • Speed: 50 ppm
  • Connectivity: LAN, USB
  • Consumable: ES9541 series toner
  • Official drivers

Steps to follow

  1. 1

    Clear paper

    Open tray and remove all paper.

  2. 2

    Clean sensors

    Wipe internal sensors.

  3. 3

    Reset

    Close tray securely.

Frequently asked questions

Failure in paper detection at the tray.

Yes, by removing lodged paper.

Original ES9541 series.

Monthly roller maintenance recommended.

OKI ES9541 error 003: Tray Problem | Vimazdev