HP OfficeJet Pro 9110b Printer, Color, Printer for Home and home office, Print, Wireless; Two-sided printing; Print from phone or tablet; Touchscreen; Front USB flash drive port. Print technology: Thermal inkjet, Printing: Colour printing, Maximum resolution: 4800 x 1200 DPI, Print speed (colour, normal quality, A4/US Letter): 18 ppm. Duplex functions: Print. Maximum ISO A-series paper size: A4. Wi-Fi. Direct printing. Product colour: Grey