LEX16Z0000 - Lexmark X4850 Multifunction Color Inkjet Printer w/Copy Accepts Paper Size - 10 Envelope, 9 Envelope, A4, A5, B5 Envelope, C5 Envelope, Executive, Letter, Statement, Universal Auto Document Feed/Sheets - 100 Auto Duplexing Functions - Print Catalog Publishing Type - Copier/Fax/Multifunction Machines-Multifunction Compliance, Standards - ENERGY STAR Qualified