HP DeskJet Ink Advantage Ultra 3789. Print technology: Thermal Inkjet, Printing: Colour printing. Maximum resolution: 4800 x 1200 DPI, Print speed (colour, normal quality, A4/US Letter): 5.5 ppm. Copying: Colour copying. Maximum copy resolution: 300 x 300 DPI. Scanning: Colour scanning. Optical scanning resolution: 1200 x 1200 DPI. Duplex functions: Print. Maximum ISO A-series paper size: A4. Standard input capacity: 60 sheets, Standard output capacity: 25 sheets. Wi-Fi. Product colour: Blue,White