31.02mx931dfe

Lexmark MX931dfe Error 31.02: Fuser Jam

The Lexmark mx931dfe error 31.02 indicates a paper jam located within the fuser unit area. Because this area operates at high temperatures, caution is required when troubleshooting this fault.

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Common causes

  • 1High-weight paper
  • 2Fuser wear
  • 3Paper debris
  • 4Roller aging

Solutions

Quick Diagnosis

If you see paper scorched or creased, there is debris inside the fuser unit rollers.

Step-by-Step Solution

  1. Disconnect and cool the printer (fuser is hot).
  2. Open the rear door.
  3. Carefully remove any stuck paper pieces.
  4. Close and test.

Prevention and Maintenance

Always check paper settings to match your paper weight to prevent jams.

When to Call a Technician

If you cannot remove the paper debris safely, call support to prevent damaging the fuser film.

Equipment Data Sheet

  • Tech: Laser
  • Consumible: 55B Series
  • Drivers
Lexmark MX931dfe Error 31.02: Fuser Jam | Vimazdev