33.01B2338dw

Lexmark B2338dw error 33.01: Fuser Failure

The Lexmark B2338dw error 33.01 is a critical alert regarding the fuser unit, the component responsible for binding toner to paper using heat. When this appears, the printer detects a thermal discrepancy that puts the hardware at risk. Always exercise caution when dealing with this part, as it operates at high temperatures.

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Common causes

  • 1Faulty temperature sensor (thermistor)
  • 2Burned thermal element
  • 3Persistent jam in the fuser
  • 4Electrical surge damaging the fuser board

Solutions

Quick Diagnosis

If your printer displays 33.01, the fuser is failing to reach the target temperature. This usually results in a constant screen lock.

Step-by-step Solution

  1. Power off: Let the unit cool down entirely.
  2. Inspect fuser: Remove any paper scraps from the rear area.
  3. Restart: Try booting the printer on a dedicated wall outlet.

Prevention and Maintenance

Use paper within recommended weight specs. Never use non-thermal labels, as they can melt in the fuser.

When to call a technician

Error 33.01 almost always points to a faulty heating element or thermistor, requiring professional servicing.

Technical Specifications

Steps to follow

  1. 1

    Power off

    Turn off the printer and unplug for 20 minutes to allow the fuser to cool.

  2. 2

    Inspect fuser

    Check the rear output area for any stuck paper or obstructions.

  3. 3

    Restart

    Turn on the printer directly from the wall outlet.

Frequently asked questions

This error points to a fuser temperature problem or a heating element issue.

It can cause overheating; disconnect the printer immediately.

Use genuine Lexmark 2338 series toner cartridges.

If the error persists after a reboot, the fuser needs replacement.

Lexmark B2338dw error 33.01: Fuser Failure | Vimazdev