Duplex scanner printer

HP LaserJet Pro MFP M426m multifunction printer s/w 1GP80A (A4, 4-in-1, Printer, copier, Scanner, Fax, Duplex)

Canon PIXMA TS9550a Printer Colour Inkjet Multifunctional Device DIN A4 A3 (Printer A3, Scanner, Copier, 5 Separate Inks, Wi-Fi, LAN, Print App, 2 Paper Feeders, Duplex Printing) Black

Kyocera Ecosys MA2101cwfx Colour Laser Printer, Multifunction Printer, Wi-Fi Printer, Scanner, Copier, Fax Machine, Multifunction Printer with Duplex, USB 2.0 and Mobile Print Function

HP LaserJet M234d Multifunction Black and white Printer Copier Scanner; Duplex

PIXMA Tr4750I 3-In-1 Wireless Home Office Printer, Copier, Scanner - Auto-Duplex