31.01M5163

Lexmark M5163 error 31.01: Feeder jam fix

The Lexmark M5163 error 31.01 appears when the input sensor detects that the paper has not reached the registration position within the programmed period. This error is common in busy offices where paper handling is high-volume. If you wonder why my Lexmark M5163 shows error 31.01, the cause is usually improperly adjusted guides or worn feed rollers.

1 views

Common causes

  • 1Worn-out pick roller tires.
  • 2Misadjusted tray paper guides.
  • 3Input sensor obstruction by paper debris.
  • 4Moist or out-of-spec grammage paper.

Solutions

Diagnóstico rápido

If the machine indicates 31.01 but you see no paper at the entry, a small fragment of paper may be covering the internal input sensor.

Solución paso a paso

  1. Pull the tray and check for paper bits in the rear part.
  2. Open the front cover to check the transfer area.
  3. Make sure the tray guides are not squeezing the paper stack too tightly.
  4. Clean the feed rollers with a damp cloth if they look glazed or dirty.

Prevención y mantenimiento

Preventive maintenance should include roller cleaning whenever replacing the toner. Always use high-quality paper and ensure the environment is neither too dry (static) nor too humid (wavy paper).

Cuándo llamar a un técnico

If after cleaning and checking the sensors the error 31.01 remains, the input sensor might be misaligned or electronically damaged, requiring professional assistance.

Ficha técnica del equipo

  • Technology: Monochrome laser printer
  • Speed/performance: 63 ppm
  • Connectivity: USB, Gigabit Ethernet
  • Input capacity: Up to 4400 sheets
  • Compatible supplies: 5163 Series Toner (original)
  • Recommended usage: High-volume corporate environments
  • Drivers / official firmware

Steps to follow

  1. 1

    Tray extraction

    Remove the main tray and check for folded paper at the entry.

  2. 2

    Path inspection

    Open the side door to look for paper debris in the feeder guide.

  3. 3

    Paper adjustment

    Reload the paper while ensuring the side guides are properly fitted.

Frequently asked questions

The 31.01 is a jam code indicating the main feeder sensor did not receive the paper within the expected time.

Yes, if the rollers are covered in paper dust, they slip and fail to pull the sheet, causing this error.

Avoid very lightweight or coarse-textured paper, as they can easily fold at the input.

Properly fan the paper reams before loading and adjust width guides correctly.

Lexmark M5163 error 31.01: Feeder jam fix | Vimazdev