Color ink technology Y HP Deskjet 5550, Colour, 4800 x 1200 DPI, 3, A4, 3000 pages per month, 17 ppm HP Deskjet 5550. Colour, Number of print cartridges: 3, Maximum duty cycle: 3000 pages per month. Maximum resolution: 4800 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 17 ppm. Product colour: Silver more..