54.05M1246

Lexmark M1246 Error 54.05: Causes and Fixes

The Lexmark M1246 error 54.05 points to a conflict in the paper input sensors. This happens frequently when the device cannot determine the paper status or if the size configuration is conflicting. Knowing why my Lexmark M1246 error 54.05 occurs is easy if you perform a physical inspection of the paper trays.

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Common causes

  • 1Misaligned paper guides.
  • 2Debris or torn paper stuck in sensors.
  • 3Worn-out feed rollers.
  • 4Paper moisture triggering false sensor states.

Solutions

Quick Diagnosis

This error triggers if the sensor detects an obstruction or if it reports a false state. Check for scraps of paper around the input sensors.

Step-by-step Solution

  1. Power off the unit.
  2. Remove all paper trays and inspect for hidden fragments.
  3. Clean the pick-up rollers with a damp cloth.
  4. Restart the unit.

Prevention and Maintenance

Use dry, high-quality media. Moisture causes paper to curl and triggers sensor errors.

When to call a technician

If cleaning doesn't work, a sensor might be physically misaligned or broken.

Technical Specifications

  • Technology: Mono Laser.
  • Speed: 46 ppm.
  • Paper Capacity: 550 sheets.
  • Consumable: Lexmark 50 series toner.
  • Recommended usage: High-volume offices.
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Power off

    Turn off the printer to release the rollers.

  2. 2

    Tray check

    Remove all trays to search for debris.

  3. 3

    Roller cleaning

    Wipe feeding rollers with a slightly damp cloth.

Frequently asked questions

It means the sensor detects an inconsistent state, usually related to paper presence.

No, printing is locked until the sensor state is cleared.

Keep paper guides aligned and use dry paper to prevent feeding errors.

No, this is a mechanical sensor error.

Lexmark M1246 Error 54.05: Causes and Fixes | Vimazdev