HP OfficeJet Pro 8123 All-in-OnePrinter. Functions: Print, copy, scan. Print technology: HP Thermal Inkjet. Print speed: Black (A4, ISO): Up to 20 ppm; Colour (A4, ISO): Up to 10 ppm;Draft black (A4): Up to 29ppm; Draft colour (A4): Up to 25 ppm. Print resolution: Black (best): 1200 x 1200 rendered dpi; Colour (best): Up to 4800 x 1200 optimized dpion HP Advance Photo Paper 1200 x 1200 dpi input. Monthly duty cycle: Up to 20,000 pages A4; Recommended monthly page volume