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Metrofuser Issues Consumer Warning Over Lexmark Fuser Lockout (SOLVED)

Updated: Nov 20, 2018

On October 15th 2018 our printer service help desk was alerted that the recent version of firmware for the Lexmark MS811 printer (version LW71.DN2.P025 FDN.DN.E727, release locks out remanufactured and aftermarket fusers, reporting the message ‘REPLACE UNSUPPORTED FUSER’ forcing the customer to purchase New OEM fusers.

When you power the printer On, you will encounter the following Unsupported Fuser Error Codes:

  • 32.15

  • 32.24

  • 32.33

  • 32.18

  • 32.27

  • 32.36

  • 32.21

  • 32.30

  • 32.39

These firmware updates will disable compatibility with remanufactured toner and imaging drums as well.

If you wish to continue to use remanufactured fusers, toner and imaging drums, you should not install these firmware updates. If installed, you will lose the option of using remanufactured parts and be locked into using only new Lexmark parts.

What you will see

As of now users technicians cannot role back firmware. Metrofuser is developing revisions to the fuser PCB to resolve this incompatibility issue but it the meantime is recommending not updating the printers firmware.

As a collection point for this open support case please email any updates or experiences with this issue.

The following models are at risk:  Lexmark MX710, MX711, MX810, MX811, MX812, XM5170, XM5163, MS810, MS811, MS812, XM7170, XM7155, XM7163. 


Other Helpful Resources

October 29th 2018 Update: Fuser revision developed by Metrofuser has solved the firmware issue. Customer can now update firmware without incompatibility.

Visit for the latest information

Metrofuser is a leading global innovator, manufacturer of printer parts, equipment, diagnostics, repair information and systems solutions for professional users performing critical tasks. Products and services include hp printer parts, printers and printer repair training. Parts include hp printer parts such as printer fusers, printer maintenance kits and other hp printer replacement parts. The company's, customers include office equipment dealerships, online retailers, repair centers and MPS service providers nationwide. Metrofuser has been named to Inc. Magazine’s fastest growing companies five consecutive years. 


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