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 two years of ink in the box. Users save up to 75% with low-cost replacement bottles vs. mono laser toner about 1/3 of 1 cent per ISO page vs. 2 1/2 cents. The ST-M1000 includes enough ink to print up to 11,000 pages black. It features fast print speeds & a fast first page out. Plus, it offers a 250-sheet paper tray, auto two-sided printing, & convenient wired & wireless networking. You save energy with lower power consumption vs. laser. Maximum Print Speed (Black): 20 ppm; Print Resolution (Black) (Width x Height): 600 x 600 dpi; B&W or Color Output: B&W; Printing Type: Inkjet.