31.01MS431dw

Lexmark MS431dw error 31.01: Paper Jam Fix

The Lexmark MS431dw error 31.01 occurs when the feed sensor detects a paper path issue. This error is common if the paper is misaligned or small scraps are trapped in the input tray. Resolving the error 31.01 on the MS431dw is a straightforward maintenance task involving checking the paper tray and cleaning the pickup rollers.

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Common causes

  • 1Paper misaligned in tray guides.
  • 2Paper scraps blocking the feed sensor.
  • 3Worn or dirty feed rollers.
  • 4Paper weight exceeding specifications.

Solutions

Diagnóstico rápido

The error 31.01 is confirmed if the control panel indicates a paper path obstruction. If no obvious jam is found, inspect the feed rollers for dust or paper residue.

Solución paso a paso

  1. Remove Tray: Fully extract the paper tray.
  2. Inspect: Use a light to check the feed path for obstructions.
  3. Clear: Gently pull out any jammed paper using both hands.
  4. Reset: Replace the tray and resume operations.

Prevención y mantenimiento

Fan the paper before loading to reduce static. Regularly wipe the rubber feed rollers with a dry cloth to prevent slipping, which often triggers the 31.01 error.

Cuándo llamar a un técnico

If the error persists after thorough cleaning, the feed sensor or solenoid may have failed and require professional attention.

Ficha técnica del equipo

  • Technology: Monochrome Laser
  • Speed: 42 ppm
  • Connectivity: USB, Gigabit Ethernet, Wi-Fi
  • Paper Capacity: 350 sheets
  • Consumable: 55B Series
  • Recommended Use: Office printing
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Remove Tray

    Pull out the main paper tray completely.

  2. 2

    Locate Jam

    Inspect the feed area for any remnants of paper.

  3. 3

    Clean Rollers

    Wipe the feed rollers with a slightly damp cloth.

Frequently asked questions

This indicates the tray sensor cannot detect paper correctly, often due to an obstruction or misalignment.

No, as long as you pull gently without using metal tools that could scratch the internal components.

It uses the Lexmark 55B series consumable family.

Ensure paper is correctly aligned in the tray and do not exceed the maximum fill mark.

Lexmark MS431dw error 31.01: Paper Jam Fix | Vimazdev