HP Envy 7640 A4 Wifi Duplex USB All-in-one Colour InkJet Printer E4W47A
Print speed black (ISO, A4). HP Thermal Inkjet. Windows 10, 8.1, 8, 7: 1 GHz 32-bit (x86) or 64-bit (x64) processor, 2 GB available hard disk space, CD-ROM/DVD drive or Internet connection, USB port, Internet Explorer.