31.01Lexmark MS431dw

Fixing Lexmark MS431dw Error 31.01: Paper Jam Guide

The 31.01 error on the Lexmark MS431dw indicates a paper jam in the input tray. This prevents the printer from picking up media correctly, leading to a stoppage. Resolving this typically requires checking for obstructions and ensuring the paper is loaded according to manufacturer specifications.

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Common causes

  • 1Overfilled paper tray exceeding the capacity mark.
  • 2Paper guides adjusted too tightly against the paper edge.
  • 3Excessive paper dust blocking the input media sensors.

Solutions

Check Input Tray

  1. Remove the paper tray completely.
  2. Inspect the pickup area for any torn scraps or misaligned paper.
  3. Adjust the tray guides to match the paper width precisely.
  4. Reinstall the tray securely.

Cleaning Feed Rollers

  1. Open the rear door to access the internal path.
  2. Use a lint-free cloth dampened with water to wipe the rollers.
  3. Remove any paper dust accumulation to ensure optimal grip.
  4. Allow to air-dry completely before attempting to print.

Steps to follow

  1. 1

    Power off

    Turn off the printer and unplug the power to ensure safety during maintenance.

  2. 2

    Clear obstructions

    Remove any jammed paper and check the roller area for debris.

  3. 3

    System test

    Reload the tray and perform a test print to verify the error is cleared.

Frequently asked questions

It is better to use plain water or a specialized roller cleaner. Alcohol can degrade the rubber surface over time.

If the tray is empty and clear, the sensor may be faulty or permanently blocked by debris; contact support.

Yes, textured or thick paper can frequently cause pickup errors if the printer is not configured for that media type.