Support article for Lexmark MS821

Updating printer or MFP firmware using a USB thumb or flash drive

Issue description

This article explains how to perform a USB flash/thumb drive firmware update. Please use the section that corresponds to your generation of device.

Solution

Requirements:

  • Firmware Update File (*.fls file).
  • The printer must be in a Ready state to update the firmware.
  • This update option only applies to printer models with a front USB port.

2010 ‑ 2020 Lexmark MFP / SFP Series:

  1. Insert USB Flash drive (FAT32 format).

    Note:  Newer versions of firmware on certain models may support NTFS format of the flash drive.

  2. Go to the Home Screen of the control panel.

  3. Go to the USB Drive.

    Note:  On some smaller screen devices, after going to “USB Drive” the user can see a “Scan from USB” and “Print from USB” option. Select “Print from USB” before proceeding to Step 4 below.

  4. Find and select the firmware update file (*.fls file).

  5. Select Update Code.

    Note:  Do not turn off the printer while the update is going on.

  6. Upon successful completion of the firmware update, the device reboots automatically.

2008 Lexmark SFP Series:

4‑Line APA Panel Instructions

  1. Insert the USB flash drive (FAT32 format).

  2. Device displays the USB Menu with a listing of the flash drive’s file contents.

  3. Press the Down Button until the appropriate .fls file is selected.

  4. Press the Check Button to select this file.

  5. Update and Do Not Update appears on the LCD. If you must abort the update, press the Down Button and select Do Not Update.

  6. To update the firmware select Update.

  7. Upon successful completion of the firmware update, the device reboots automatically.

2008 Lexmark MFP Series:

  1. Insert the USB flash drive (formatted to FAT32).

  2. Press the USB Drive button when it appears.

  3. Press the Down Button or the Up Button until the firmware file is located.

  4. Press the Select Button next to the file.

  5. Press Update Firmware.

    Note:  Do not turn off printer while the update is going on.

  6. Upon successful completion of the firmware update, the device reboots automatically.

Additional information

If the USB flash drive is not recognized, check that the drive is formatted to FAT32 format.

If the firmware update fails, recopy the firmware update file (*.fls) to the flash drive or download the file again.

LEGACY ID: HO3453