Great Printer For Home Or Office UseThis is a great, economical, high-speed inkjet printer for home or office

WF-3820: Smaller 2.7" touch screen display, slower print speeds, can only do single-sided scanning, has one 250-sheet paper tray

Larger 4.3" touch screen display, faster print speeds, can only do single-sided scanning, has one 250-sheet paper tray

Speed of printing is very good

Larger 4.3" touch screen display, faster print speeds, can do double-sided scanning, has two 250-sheet paper trays