31.02C792de

Lexmark C792de error 31.02: Troubleshooting Guide

The Lexmark C792de error 31.02 indicates a feeding malfunction within the input path. Understanding how to solve error 31.02 in C792de requires checking the registration sensor and roller condition. This high-end color laser printer is designed for industrial workflows.

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Common causes

  • 1Worn pickup rollers.
  • 2Paper misalignment in the tray.
  • 3Sensor blockage by debris.
  • 4Overloaded paper tray.

Solutions

Diagnóstico rápido

The error 31.02 is triggered by the registration sensor not being activated. Why does my Lexmark C792de show error 31.02? Usually, the paper is not reaching the sensor in time.

Solución paso a paso

  1. Turn off the printer.
  2. Open the main paper tray.
  3. Remove stuck paper.
  4. Clean the feed rollers.
  5. Reset and restart.

Prevención y mantenimiento

Regular maintenance involves wiping rollers and ensuring the tray is not overfilled. Using genuine maintenance kits extends gear life.

Cuándo llamar a un técnico

If the motor makes grinding noises or the error persists, contact professional support.

Ficha técnica del equipo

  • Technology: Color Laser
  • Speed: 50 ppm
  • Connectivity: Ethernet/USB
  • Capacity: 550 sheets
  • Consumable: C792 Series Toner
  • Usage: Corporate
  • Official drivers

Steps to follow

  1. 1

    Remove tray

    Pull the paper tray out of the printer.

  2. 2

    Check paper path

    Look for jammed sheets inside the feed area.

  3. 3

    Clean rollers

    Wipe the feed rollers with a moist cloth.

Frequently asked questions

The printer failed to detect paper at the registration sensor, usually due to a jam.

Unlikely, but constant jams can stress the gears.

Always use genuine Lexmark toner for optimal internal performance.

Do not overload the tray and keep paper moisture low.