31.01Lexmark MX431adn

Fix Lexmark MX431adn Error 31.01: Paper Jam Guide

Error 31.01 indicates a paper jam in the input tray area of the Lexmark MX431adn. This error prevents the pickup mechanism from successfully feeding paper into the print engine. This guide will walk you through safe jam clearance and sensor maintenance.

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Common causes

  • 1Misaligned paper guides in the input tray
  • 2Dust buildup on the pickup rubber rollers
  • 3Damaged paper edges causing snags

Solutions

Tray Inspection

  1. Remove the paper tray completely from the printer.
  2. Check for torn pieces of paper at the rear of the tray cavity.
  3. Ensure paper guides are snugly set against the paper stack.

Roller Maintenance

  1. Locate the pickup rollers above the tray slot.
  2. Wipe them with a lint-free cloth dampened with water.
  3. Rotate rollers manually to ensure full cleaning.

Steps to follow

  1. 1

    Remove Tray

    Pull the main paper tray fully out of the printer.

  2. 2

    Check Path

    Look for paper scraps or debris near the feed sensors.

  3. 3

    Reload

    Fan the paper stack to prevent static and ensure smooth feeding.

Frequently asked questions

Often, blowing compressed air into the sensor path is enough to remove small paper particles.

High humidity can cause paper to swell, leading to frequent pickup errors like 31.01.

Ensure your paper weight is within the printer's specifications to avoid feed issues.