If the code level is below E206b (for example, code levels AR.JP.E204and AR.JP.E206 are both below E206b), you will need to update the printer's Engine code before you try replacing any parts.
If the Engine code is already at the level of E206b or higher, skip ahead to Step 4.
To access/download the most recent engine code file, go to the printer firmware download site and enter the appropriate key code. To obtain the key code, you will need to contact Lexmark Technical Support.
The downloaded file is a .ZIP file. You will need to unzip the file and extract the smaller files within it. Save these files to a directory or folder of your choice. Make a note as to where you have these files saved. Once you have extracted the necessary files, you can begin copying the extracted files over to the printer.
If the printer is connected via: