PAPER OUTOKI ML1120

Fix OKI ML1120 PAPER OUT Error: Troubleshooting Guide

The 'PAPER OUT' error on the OKI ML1120 indicates that the printer cannot detect paper in the feed path. This error halts printing to prevent damage to the print head or platen. Often, this is caused by misaligned paper or dust covering the sensor.

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Common causes

  • 1Misaligned paper in the input tray.
  • 2Accumulated paper dust blocking the optical sensor.
  • 3Faulty paper end sensor.

Solutions

Check Paper Alignment

  1. Ensure the paper is inserted straight.
  2. Adjust the side guides to hold the paper firmly.
  3. Re-feed the paper to trigger the sensor.

Sensor Cleaning

  1. Power off and unplug the unit.
  2. Use compressed air to blow out paper dust.
  3. Wipe the sensor area with a lint-free cloth.

Steps to follow

  1. 1

    Check path

    Remove the paper and check for debris or jammed scraps.

  2. 2

    Adjust guides

    Reset the paper guides against the edges of the form.

  3. 3

    Power Cycle

    Restart the device to reset the internal paper detection state.

Frequently asked questions

The sensor may be blocked by dust or the paper might not be triggering the mechanical switch properly.

No, printing is disabled until the sensor confirms paper is ready to avoid mechanical damage.

Use standard tractor-feed continuous paper within the manual's weight specifications.