Up to 50ppm print and scan speeds, plus copy and fax capability and paper tray upgrade options make the MFCL6900DW a flexible, adaptable worker. Designed with high output workgroups in mind, this machine has outstanding paper handling options with a standard paper capacity of 570 which is expandable to 2,650 with optional tower trays - simply scale its capacity depending on your business needs. The 80 page auto document feeder enables fast scanning and copying alongside high speed 2-sided printing. A new ultra-high-yield toner cartridge ensures low cost printing. Enterprise level security features include Secure Function Lock (SFL) 3.0, Internet Protocol Security (IPSec), Print Archive, Secure Reset, and Certificate Management - there's also an optional NFC card reader to give users better document security and improved user authentication.