42.01B2650dw

Lexmark B2650dw Error 42.01: Fix and Troubleshooting

The Lexmark B2650dw error 42.01 alerts the user to a paper registration failure during the printing cycle. Why is my Lexmark B2650dw showing error 42.01? Most often, this happens because the paper tray guides are misaligned with the paper size in use.

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Common causes

  • 1Misaligned tray guides leading to skewed paper feed.
  • 2Dirty or worn feed rollers lacking grip.
  • 3Damp or incorrect paper weight causing friction issues.
  • 4Registration sensor blocked by toner residue.

Solutions

Diagnóstico rápido

If the print job fails before text appears on the page and the code appears, the printer is struggling to align the sheet correctly at the registration gate.

Solución paso a paso

  1. Adjust Tray Guides: Remove the paper tray and ensure the side guides are locked correctly against the paper edges.
  2. Clean Feed Rollers: Use a damp, lint-free cloth to clean the feed rollers to improve friction.
  3. Verify Media Settings: Check the printer control panel to ensure media type settings match the loaded paper.

Prevención y mantenimiento

Avoid loading mixed paper types. Regularly clear dust from the internal sensors using compressed air.

Cuándo llamar a un técnico

If the tray adjustment does not fix the problem, the internal registration sensor might be failing, requiring professional repair.

Ficha técnica del equipo

  • Technology: Monochrome Laser
  • Speed: Up to 50 ppm
  • Connectivity: USB 2.0, Ethernet, Wi-Fi
  • Media capacity: 650 sheets
  • Consumables: B2650/B2640 series toner
  • Recommendation: High-performance office use
  • Official Drivers/Firmware

Steps to follow

  1. 1

    Adjust Tray Guides

    Remove the paper tray and ensure the side guides are locked correctly against the paper edges.

  2. 2

    Clean Feed Rollers

    Use a damp, lint-free cloth to clean the feed rollers to improve friction.

  3. 3

    Verify Media Settings

    Check the printer control panel to ensure media type settings match the loaded paper.

Frequently asked questions

The error triggers when the printer fails to register the paper correctly at the internal sensor during feeding.

Usually not; it is a tray configuration issue that can be easily resolved.

It uses the Lexmark B26 high-yield toner series.

Ensure the tray is not overloaded and paper edges are clean and unbent.