HP DeskJet 4122 All-in-One Printer(7FS79B) - Functions: Print, copy, scan, wireless, send mobile fax, Scan Type: Flatbed, Print Speed:(Colour) Up to 16 ppm,(Black)Up to 20 ppm, Resolution: Up to 4800 x 1200 optimised dpi, Memory: 512 MB DDR1; 160 MB flash, Display: Icon LCD display, Connectivity: built-in Wi-Fi 802.11a/b/g/n, 1 Hi-Speed USB 2.0, Paper Size: A4; B5; A6; DL envelope, Paper Handling: (input)60 sheet input tray,(output)25-sheet output tray, Duplex Printing: Manual, Colour: light sage, Operating Systems: Windows 10, 7; MacOS Sierra v10.12 (previously OS X),, macOS High Sierra v10.13, macOS Mojave v10.14, macOS, Catalina v10.15