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Firmware Release Notes History for the Lexmark X548 MFP

Document ID:RE163

Usergroup :External


Firmware fixes



This article contains previous firmware revisions and release notes information for the Lexmark X548 model.

IMPORTANT! A cumulative firmware update is available, click here to view the latest firmware release notes and download information. 



EC2.11 (August 2012)

EC2 (October 2011)

E1.3/1.4 (August 2011) 

All release notes should be evaluated to determine whether a firmware update is required. 


Release Notes History

EC2.11 Release Notes (Aug '12)

Comprises (Base) updated LHS2.VK.P244d and (Engine) LHS1.VK.E141G

Enhancements and Fixes

  • Color toner consumption is reduced when in Black-only mode.
  • Fixed issue with hardware change
  • Fixed issue with marketing data used in the Rewards Program
  • Fixed Issue with Engine Setting 4
  • Fixed issue with S2 sensor and second transfer timing


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EC 2 Release Notes (Oct '11)

  What's New

  • Added support for SCM Microsystems SCL011 contactless desktop reader
  • Added support for SPNEGO support (Simple and Protected GSSAPI Negotiation Mechanism)
  • Added support for Apple's AirPrint

Enhancements and Fixes

Primary Field Concerns


Fax and Scan-related

  • Fixed installation procedure
  • Cropping and alignment issue
  • Improvements with Scan to Network Premium
  • Several performance improvements
  • PCL/PS emulation issues
    • Incorrect or garbage print
    • PS performance issue
  • UCF settings corruption
  • MS Sharepoint compatibility
  • MPS reporting improvements
  • Fax corruption issue
  • Copy duplex setting issue
  • Solution Software overrides standard functions
  • Fix: Fax indicator light status
  • Fix: Fax settings reporting
  • Fix: JBIG decompression issue
  • Fix: Issue in Host Send
  • Improved De-Skew function

Service Errors Addressed


Solutions (Embedded Solutions Framework)

  • 31.06
  • 842.02
  • 900.00 errors related to the following functions:
    • PKCS11 (Public Key Cryptography Standards #11)
    • Job Accounting log
    • Random 900 errors
    • Scanner**
    • PCL/XL Incorrect media selection
  • 900.31
  • 900.40
  • 900.43
  • 900.57
  • 900.58
  • 900.68
  • 900.80
  • 976
  • Address issue with audio
  • Fix: Issue with VLML
  • Fix: Numerous security issues (PINs, expired user sessions, delete authorization modules correctly)
  • Updated Eco-Setting Application for Single Function Printers
  • Improved CAC support
  • Improved User Interface (Control Panel) workflow settings
  • Solutions Function Access Controls (FACs) for workflows now appear in EWS
  • Improved user interface button labels
  • Changed Business Card scaling

Security and User Interface


Managed Print Service (MPS) and Network

  • Fix: Memory leak issue
  • Fix: PKCS11 (Public Key Cryptography Standards #11)
  • Log hostname / ip address for all processes
  • Upgrade openSSL
  • Now use SHA-256
  • Fix: Cross-site scripting vulnerability
  • Fix: Numerous security configuration issues
  • Fix: Translation issues
  • Fix: Button behavior in several workflows
  • Fix: Numerous issues with TIPS


  • Fix: Issue withy Job Accounting and Quota App
  • Improved MPS SNMP data reporting
  • Improved Bonjour support
  • Fix: Numerous issues that cause printer hangs
  • Updated Embedded Web Server (EWS) images
  • Expanded and improved information returned via Web Services
  • Added port 456 for SMTP support

Printer PDL Emulations and Other Miscellaneous


  • Fix: Numerous undefined error conditions
  • FIx: PDF printing issues via USB drive
  • Fix: XPS printing issues via USB drive
  • Fix: Print Permissions


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EC1.3/1.4 Release notes (Aug '11)

Comprises (Base) updated .P141kx and (Engine) printer .E141E

Performance issues

  • 31.06 Defective Image Kit. Click here for more information. (1.4)
  • Addressed a non-specified scanner issue that could (over time) lead to a non-functioning scanner (1.3)
  • Pressing the HOME button from the Home screen now clears workflow settings from the current user session.
  • Improved reliability of the firmware update process. (1.2)
  • Fixed 911.48 errors. NOTE: Both Base and engine firmware levels need be updated to resolve this issue.


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Contact Lexmark

Please contact Lexmark Technical Support for additional assistance. NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN).

Please call from near the computer and printer for over-the-phone diagnostic purposes.


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