Lexmark C543
User's Guide PDF (Lexmark C54x)
User's Guide HTML (Lexmark C54x)
Quick Reference (C540, C543, C544, C546)
Printer Data Cleanup Guide PDF
Printer Data Cleanup Guide HTML
Network Scan Drivers User's Guide
Wireless Setup Guide (C540, C543, C544, C546)
User's Guide HTML (Lexmark C54x Series)
Setup Sheet (C540, C543, C544, C546)
Universal Print Driver Version 3.0 White Paper
Printer Languages and Interfaces Technical Reference
Printer Drivers for UNIX & Linux Systems
Card Stock and Label Guide
Embedded Web Server — Security Administrator's Guide
Technical Reference (Lexmark C540n, C543dn, C544n/dn/dw/dtn, X546dtn MFP)
Quick Reference (Lexmark C54x)
Maintenance Guide (Lexmark C540, C543, C544, C546 Series)