31-01MB2338adn

Lexmark MB2338adn error 31.01: Paper Jam

The Lexmark MB2338adn error 31.01 notifies the user that a jam has been detected in the internal paper path. This error is common when paper sheets are damp, wrinkled, or when a weight higher than permitted is used. The printer automatically locks to prevent paper from burning in the fuser.

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Common causes

  • 1Paper with excess humidity (curled paper).
  • 2Obstruction in the rear output rollers.
  • 3Use of labels or non-recommended glue paper.
  • 4Worn-out feed rollers that slip.

Solutions

Diagnóstico rápido

The error shows when attempting to print. If you don't see paper upon opening the covers, check the rear output tray to see if the sheet got bent there.

Solución paso a paso

  1. Power off the equipment.
  2. Extract toner to access the interior.
  3. Pull paper with both hands, gently.
  4. Check rear output to rule out fragments.
  5. Close everything and turn on.

Prevención y mantenimiento

Use high-quality, dry paper. Clean rollers with compressed air if you notice paper tends to jam repeatedly.

Cuándo llamar a un técnico

If the error persists though there is no paper, it is possible the path sensor is damaged or blocked by internal dirt.

Ficha técnica del equipo

  • Technology: Monochrome laser, multifunction
  • Speed: 38 ppm
  • Connectivity: Gigabit Ethernet, USB
  • Capacity: 350 sheets (expandable)
  • Compatible consumables: 50F4000 cartridge
  • Recommended use: Mid-sized business
  • Official drivers / firmware

Steps to follow

  1. 1

    Open cover

    Open the front cover and extract the toner assembly.

  2. 2

    Remove paper

    Carefully pull the jammed paper following the route direction.

  3. 3

    Check fuser

    Open the rear cover to rule out paper scraps in the fuser.

  4. 4

    Close

    Reinstall everything and close the covers.

Frequently asked questions

It is a paper jam code indicating that the sheet has not exited or entered in the expected time.

No. If it occurs often, verify your paper is high quality and there are no label scraps in the rollers.

Keep paper in its original packaging to prevent humidity and use supported weights.

No, tweezers can scratch rollers or sensitive sensors. Use only your hands.