PrecisionCore Heat-Free Technology With our PrecisionCore Heat-Free Technology, busy offices with high print volume will appreciate the fast print speeds of 39ppm for draft and 20ipm (simplex) for standard prints on M1140. Space-saving Design, Spill-free Refilling: Compact and sleek, the new tank design is integrated into the printer, resulting in a small footprint. Additionally, the unique bottle nozzle enables spill-free and error-free refilling. Superb Savings & Page Yield At just 12 paise per mono printout 4 , the cost is 23x lower when compared against genuine toner cartridges 1 . You can enjoy ultra-high yield of 6,000 pages 2 with each ink bottle, reducing the constant hassle of refilling.