80.02MC3426i

Error 80.02 Lexmark MC3426i: Fuser solution

The error 80.02 on the Lexmark MC3426i is a critical failure related to the fuser unit. The device detects an unusual temperature or a heating failure that prevents print jobs from completing. Since the fuser is a high-temperature part, this error requires professional attention.

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Common causes

  • 1Fuser heating lamp failure.
  • 2Fuser temperature thermistor error.
  • 3Wear of fusion rollers.
  • 4External overvoltage damaging the component.

Solutions

Quick Diagnosis

Error 80.02 means the fuser is not reaching the required temperature or is overheated.

Step-by-Step Solution

  1. Power off: Disconnect the device immediately.
  2. Cool down: Wait 30 minutes for the fuser to cool.
  3. Power on: Try restarting the machine.
  4. Diagnosis: If the error persists, the fuser module must be replaced.

Prevention and Maintenance

Connect the printer to a voltage regulator.

When to Call a Technician

This error strictly requires technical support to inspect the fuser unit.

Equipment Technical Data

Technology: Laser; Speed: 26 ppm; Connectivity: Gigabit Ethernet; Capacity: 250 sheets; Consumable: Unison Toner; Usage: Intensive office; Drivers: Official Lexmark support.

Steps to follow

  1. 1

    Shutdown

    Disconnect the power source.

  2. 2

    Cooldown period

    Wait 30 minutes for safety.

  3. 3

    Restart

    Try turning on just once.

  4. 4

    Support request

    Contact support if the code persists.

Frequently asked questions

This error indicates a temperature problem in the fuser unit.

No, this part reaches high temperatures and requires certified technical support.

It is usually a failure in the heating lamp or the fuser thermistor.

Use voltage stabilizers and avoid printing on unsupported materials.