How to replace Lexmark MS/MX321 Fuser Assembly

Unsure how to replace the fuser assembly in your Lexmark MS/MX321? We'll show you step by step how to do this necessary maintenance to keep your unit running smoothly.

The following tutorial is for these models:

• Lexmark B2338dw, Lexmark B2442dw, Lexmark B2546dw, Lexmark B2650dw, Lexmark M1242, Lexmark M1246, Lexmark M3250, Lexmark M3350, Lexmark MB2338adw, Lexmark MB2442adwe, Lexmark MB2546adwe, Lexmark MB2650adwe, Lexmark MS321dn, Lexmark MS421dn, Lexmark MS421dw, Lexmark MS521dn, Lexmark MS531dw, Lexmark MS621dn, Lexmark MS622de, Lexmark MS631dw, Lexmark MS632dwe, Lexmark MX321adn, Lexmark MX321adw, Lexmark MX421ade, Lexmark MX521ade, Lexmark MX521de, Lexmark MX522adhe, Lexmark MX532adwe, Lexmark MX622ade, Lexmark MX622adhe, Lexmark MX632adwe, Lexmark XM1242, Lexmark XM1246, Lexmark XM3250, Lexmark XM3350

When Do You Need to Replace the Fuser Assembly?

If you're getting error messages, this may indicate it's time to replace the Fuser Assembly. Listed here are all the errors that indicate a problem:

• 920 Error- Turn off the printer, wait about a minute, and then turn it back on. If the error persists, the fuser unit may need to be reinstalled.
• 921, 922, or 923 Error- The fuser unit may not be at its ideal temperature. Make sure the printer is in an environment above 16 degrees and that there are no cool breezes near the machine.
• 121.24 Error- The printer's fuser may never have reached the fuser detection temperature. This may happen if the printer is not connected to a proper voltage outlet.

Step-by-Step Guide: Replacing the Fuser Assembly

Prior to starting, it is imperative to remember power off the device and disconnect from its power source at the back.

This step-by-step tutorial will further break down the steps to remove and replace a Fuser Assembly for the Lexmark MS/MX321. Let’s begin!