16ppm/16ppm, 300MHz, 32MB RAM, USB 2.0, PCL 3
Enjoy up to 30% lower colour cost-per-page and up to 25% lower mono cost-per-page with the world's fastest desktop colour business printer. Get up to 37 ppm mono and up to 33 ppm colour in Draft Print Mode. Default mode delivers Laser Quality Speeds up to 12 ppm mono and up to 10 ppm colour – up to twice as fast as colour laser printers. Wired and wireless networking options let you share the printer, and you can also buy a separate HP Two-sided Printing Accessory
HP Officejet K550, Color, 4800 x 1200 DPI, 4, A4, 7500 pages per month, 16 ppm
HP Officejet K550. Color, Number of print cartridges: 4, Maximum duty cycle: 7500 pages per month. Maximum resolution: 4800 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 16 ppm. Product colour: Black, Grey