In addition to their fine range of photo printers, Canon have also established themselves as industry leaders when it comes to top quality laser printers like the IRC5051i too.This genuine Canon C-EXV28 black toner cartridge has been designed to work with several top quality colour laser printers in the imageRUNNER Advance range. With an estimated page yield of 44,000 prints, you would be hard-pressed to find a laser toner cartridge that works harder than this original 2789B002AA,The high page yield of the genuine Canon 2789B002AA means that each print from your laser printer is staggeringly cheap and makes running the machine that much simpler. For extra assurance, Canon even guarantee the 2789B002AA black toner cartridge directly in the event that anything should go wrong with the unit.