HP LaserJet M4345 Laser Printer/Copier/Color Scanner Accepts Paper Size - 8 1/2 in x 13 in, Commercial, Envelope No. 10, Executive, Legal, Letter, Statement Auto Document Feed/Sheets - 50 Auto Duplexing Functions - Scan Catalog Publishing Type - Copier/Fax/Multifunction Machines-Multifunction Connector/Port/Interface - USB