Last Updated
   EC5.0 'Base = .P543, Engine = .E618' Firmware Release Notes and Firmware Availability for the Lexmark MS510, MS610, M1145, and M3150dn (April '15) 04/20/15         
   EC5.0 'Base=.P543, Engine=.E618' Firmware Release Notes and Firmware Availability for the Lexmark MS310, MS312, MS410, and M1140 (April 2015) 04/20/15         
   Technical Service Bulletin – Recommended (LW50.xx.543) Firmware Update for MS, MX, CS, CX, M, XM, XC Series Printers (April 2015) 04/20/15         
   EC5.0 'Base=.P543, Engine=.E618' Firmware Release Notes and Firmware Availability for the Lexmark MS315 and MS415 (April 2015) 04/20/15         
   Lexmark Security Advisory: FREAK: Factoring Attack on RSA-Export Vulnerability 04/20/15         
   How to Recover a Device from an Irrecoverable Error Due to Downgrading to an Unacceptable Code Level 04/20/15         
   MarkVision Enterprise Conformance Fails on Lexmark C54x with Firmware P536 04/20/15         
   How to Download the Latest Lexmark Printer Firmware 04/20/15         
   Lexmark MS81x & MX81x – Troubleshooting 200.x5 or 241.08 Paper Jam Error 04/20/15         
   Lexmark Technical Support Phone Numbers and Operating Hours 04/17/15