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Writer's pictureWilliam DeMuth

HP 4201 4301 Fuser Replacement Removal and Installation Instructions RM2-2731

In Todays Video we will be doing a fuser replacement for the HP Color LaserJet Pro 4201dn, 4201dw, 4301dw, 4301fdn, 4301fdw Part numbers: RM2-2731, RM2-2731-000, RM2-2731-000CN.

Compatible Models:

Color LaserJet Pro 4201dn, 4201dw, 4301dw, 4301fdn, 4301fdw

Purchase parts here: HP 4201 FUSER UNIT, 110V

Don't forget to visit our website https://www.metrofuser.com

Call us at (908)-245-2100



Before we begin Visit and bookmark metrofuser.com for HP and Lexmark parts and printer needs. We have new and remanufactured parts that save you compared to buying on the open market.


The HP 4201 printer is a reliable workhorse for many businesses and home offices. However, like any printer, regular maintenance is essential to keep it running smoothly. One critical component that requires periodic replacement is the fuser unit. This guide will walk you through the process of replacing the fuser in your HP 4201 printer, ensuring optimal performance and longevity.

HP 4201 4301 Fuser Replacement Removal and Installation Instructions RM2-2731

What is a Fuser?

The fuser is a vital part of the laser printing process. It uses heat and pressure to permanently bond the toner to the paper. Over time, the fuser can wear out, leading to print quality issues such as smudging, streaks, or incomplete prints. When this happens, replacing the fuser is necessary to restore the printer's functionality.


Signs You Need to Replace the Fuser

  • Error Messages: The printer may display a message indicating fuser failure or the need for replacement. 50.WX.YZ Error code

  • Poor Print Quality: Smudges, streaks, or toner that easily wipes off are clear signs of a failing fuser.

  • Frequent Paper Jams: A malfunctioning fuser can cause paper jams, especially in the fuser area.

  • Unusual Noises: Grinding or clicking sounds from the printer can indicate a worn fuser.

  • 250,000 Printed Pages: Replacement should be performed around 250k pages for preventive maintenance.


Tools and Materials Needed

  • Replacement fuser compatible with the HP 4201 printer (check your model for the correct part number).

  • Phillips Screwdriver- Flat head Screwdriver- Needle nose pliers or tweezers.

  • Anti-static gloves (optional but recommended).


General Steps to Replace the Fuser- View Video For Detail

  1. Turn Off the Printer and Unplug It: Ensure the printer is powered off and unplugged to prevent electrical hazards.

  2. Allow the Printer to Cool Down: The fuser operates at high temperatures. Wait at least 30 minutes after turning off the printer to allow the fuser to cool.

  3. Access the Fuser Unit:

    • Open the rear access panel or the fuser door, depending on your printer model.

    • Locate the fuser unit, usually identified by its rollers and a warning label indicating heat.

  4. Remove the Old Fuser:

    • Release any locking mechanisms or screws holding the fuser in place.

    • Gently pull the fuser out of its compartment.

  5. Install the New Fuser:

    • Align the white fuser gear of the printer with the while slot gear on the fuser.

    • Align the new fuser with the guides in the printer.

    • Secure it in place with any locks or screws.

  6. Close the Printer:

    • Reattach the rear panel or close the fuser door.

  7. Power On the Printer:

    • Plug the printer back in and turn it on.

    • The printer may perform a self-check to recognize the new fuser.

  8. Test the Printer:

    • Print a test page to ensure the fuser is functioning correctly and that print quality issues are resolved.


Tips for Maintaining Your Fuser

  • Use high-quality paper to reduce wear on the fuser.

  • Avoid printing on media types not recommended for your printer.

  • Keep the printer in a clean, dust-free environment.

  • Regularly check and clean the printer to prevent debris buildup.


Replacing the fuser in your HP 4201 printer is a straightforward process that can significantly improve print quality and extend the life of your device. By following this guide, you can ensure a seamless replacement and get back to producing high-quality prints in no time. Always consult your printer's user manual for model-specific instructions and safety precautions.


With proper maintenance and timely replacements, your HP 4201 printer will continue to deliver reliable performance for years to come.

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