The Cartridge-Free monochrome business printer for high-volume printing. The WorkForce ST-M1000 monochrome supertank printer, powered by PrecisionCore®, offers worry-free, Cartridge-Free Printing with an easy-to-fill, supersized ink tank. It includes up to 2 years of ink in the box. Users save up to 75 percent with low-cost replacement bottles vs. mono laser toner - about 1/3 of 1 cent per ISO page vs. 2 ½ cents. The ST-M1000 includes enough ink to print up to 11,000 pages black. It features fast print speeds and a fast first page out. Plus, it offers a 250-sheet paper tray, auto 2-sided printing, and convenient wired and wireless networking. You save energy with lower power consumption vs. laser. And, it's backed by a 2-year limited warranty.