Diagnostic aids 3-53
7525-xxx
Updating the firmware using a USB thumb drive
If a USB thumbdrive is available, it can be used to update the printer firmware. Before updating the firmware,
download the zip file containing the firmware files from http://support.lexmark.com/printerfirmware and inputting
keycode x54x (all lowercase).
Warning: Before performing a firmware update on the printer, contact the technical service center or second
level of support to verify the correct firmware and keycode. The wrong firmware or wrong level of
firmware could lead to a malfunction or render the printer inoperable.
Unzip the X54x zip file and copy the firmware files to the thumb drive. You do not need to copy the USBFlash
executable to the flash drive.
Note: A printer that is in Invalid Code mode cannot be updated from a USB thumb drive.
Note: Verify the Enable Drive and Update Code settings are enabled. These settings are in the Flash Drive
menu under the Settings Menu in the Administrative menus.
To update the printer firmware, perform the following steps:
1. Insert the flash drive into the USB port located on the operator panel. USB Menu: Print from USB displays.
Note: If “Print from USB” doesn’t display by default, use the Left or Right buttons to navigate to
the Print from USB command.
2. Press Select. The flash drive’s directory structure displays.
3. Use the or buttons to navigate to the fullnet.fls (also known as 1.fls) firmware file.
Warning: fullnet.fls must be the first file to be updated. failure to update this file first could damage the
machine or render it inoperable.
4. Press Select. Program Device: Yes displays.
5. Press Select. The printer will start the update process. Various status and progress messages will
display on the operator panel.
Warning: DO NOT TURN THE MACHINE OFF until the update is complete. When the update is
completed, the printer will automatically reboot and return to Ready.
If your flash drive is inserted into the USB port located on the operator panel, USB Menu: Print from USB
displays.
Note: If “Print from USB” doesn’t display by default, use the Left or Right buttons to navigate to
the Print from USB command.
6. Press Select. The flash drive’s directory structure displays.
7. Use the or buttons to navigate to the updeng.fls (also known as 2.fls) firmware file.
8. Press Select. Program Device: Yes displays.
9. Press Select. The printer will start the update process. Various status and progress messages will
display on the operator panel.
Warning: DO NOT TURN THE MACHINE OFF until the update is complete. When the update is
completed, the printer will automatically reboot and return to Ready.
If your flash drive is inserted into the USB port located on the operator panel, USB Menu: Print from USB
displays.
Note: If “Print from USB” doesn’t display by default, use the Left or Right buttons to navigate to
the Print from USB command.
10.Press Select. The flash drive’s directory structure displays.
11.Use the or buttons to navigate to the scanner.fls (also known as 3.fls) firmware file.
12.Press Select. Program Device: Yes displays.
13.Press Select. The printer will start the update process. Various status and progress messages will
display on the operator panel.
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