HP OfficeJet Pro 6978 All-in-One Scanner/Wireless/Copier/Fax Printer Supercharge the office with affordable colour and fast two-sided performance. Save paper with automatic two-sided printing, and handle more tasks without slowing down. Get a variety of mobile printing options and seamless mobile setup. Ideal for the home office or small workgroups that need professional-quality, affordable color with powerful productivity and fast functionality. 4-in-1 inkjet desktop printer Up to 600 x 1200 dpi print resolution (Black & White) 20 ppm Black & White printing, 11 ppm Colour printing, and a 20,000 pages per month duty cycle 802.11n Wi-Fi connectivity with Apple AirPrint, HP ePrint, and Google Cloud Print support Two-sided printing, copying, scanning, and faxing with a 35 sheet Auto Document Feeder 2.65" CGD touch screen display 1 GB printer memory Energy Star certified ' paper jam' error