<1> Ships standard with 2 x 1,100-Sheet Paper Drawers, 2 x 550-sheet Paper Cassettes, Buffer Pass Unit, Tab Feeding Attachment Kit, Envelope Feeder Attachment-F1, UFRII/PCL/PS Printing, Direct PDF/XPS Printing, Color Universal Send with PDF, High Compression, Searchable PDF/XPS, OOXML (Scan to PPT and Word), Universal Login Manager, Access Management System, HDD Data Erase, Data Encryption (FIPS-140-2), IP Sec, Single Pass Duplexing Automatic Document Feeder, Color Image Reader, Ethernet 1000Base-T/100Base-TX/10Base-T, USB 2.0/3.0 high speed connectivity, Wifi connectivity, Remote Operator's Software Kit, Color Network ScanGear and Drum Units. <2> Requires Copy Tray-R2, Staple Finisher-V2, Booklet Finisher-V2,Staple Finisher X1 or Booklet Finisher X1