What you will see
Printer or MFP hangs or freezes when connected to a network that contains multiple Microsoft Windows Vista or Windows 7 clients.
Other identifiers of this issue:
- -Printer resides in a multi-workstation environment
- -A single-workstation network environment does not display this behavior
- -More than one workstation (PC) has an IP port or print queue created or captured to the printer
- -Local printers connected via USB cable do not display this behavior
NOTE: Since Windows XP will not experience this issue.
Environment
Operating System | Affected printers or MFPs | Printer Driver installation | Connection method |
Microsoft™ Windows Vista and Microsoft™ Windows 7 | - E36x Series Printers
- x36x Series MFPs
- C54x Series Printers
- X54x Series MFPs
| Microsoft (WSD) is active. See Explanation below. | Network (Ethernet) or Wi-Fi |
Suggested Fix

Print the Menus Settings page.

Look under Device Information and take note of the current Base code level.

Use the decision table below for firmware update recommendations.

Update printer firmware as necessary.
To check Base code level:
To print a Menu Settings page, follow this operator panel path –
Menus
>
> Reports >
> Menus Settings >
Alternative method – The printer's embedded web server, for example, http://ip_address, where ip_address is the TCP/IP address of the printer.
Decision Table
NOTE: A lower number than the one represented in bold below indicates older firmware; e.g., LL.LBM.P116C.
If... | Then... | And then... |
You own a E360 Series monochrome laser printer with base code lower than LL.LBM.P116C | Use authorization keycode lllbmp116c at http://support.lexmark.com/printerfirmware to download the (.zip) firmware file. | Extract the .fls file using Winzip™ before proceeding to update the firmware. |
You own a X36x Series MFP with base code lower than LL.B2.P424 | Use authorization keycode X26x36x at http://support.lexmark.com/printerfirmware to download the (.zip) firmware file. | Extract the .fls file using Winzip™ before proceeding to update the firmware. |
You own a C540, C543, or C544 color laser printer with base code lower than LL.AS.P424 | Use authorization keycode c54x at http://support.lexmark.com/printerfirmware to download the (.zip) firmware file. | Extract the .fls file using Winzip™ before proceeding to update the firmware. |
You own a C546 color laser printer with base code lower than LL.AS.P424 | Use authorization keycode c546 at http://support.lexmark.com/printerfirmware to download the (.zip) firmware file. | Extract the .fls file using Winzip™ before proceeding to update the firmware. |
You own a X54x Series MFP with base code lower than LL.EL.P424 | Use authorization keycode x54x at http://support.lexmark.com/printerfirmware to download the (.zip) firmware file. | Extract the .fls file using Winzip™ before proceeding to update the firmware. |
Need help with updating firmware?
Follow the table below for the most common firmware update methods.
Explanation
An issue with printer firmware and the operating system's web service for device discovery (WSD) has been addressed with this update.
Still Need Help?
Please contact Lexmark Technical Support for further assistance. You will need to know the printer's model/machine type and serial number (SN).
NOTE: When calling Lexmark Technical Support, please call from near the printer and workstation in case the technician on the phone asks you to perform a troubleshooting task on the printer.
LEGACY ID: SO5174