Produced by Canon themselves, to their own exacting standards, this genuine 0452C002 black toner cartridge offers users of compatible laser printers exceptional value. With an estimated yield of 10,000 prints (each looking as good as the last) you will be glad you invested in Canon quality with this standard capacity 041 BK toner cartridge.You can use this original Canon041 toner cartridge in the ever-popular i-SENSYS LBP-312x mono laser printer. Genuine Canon toner cartridges, like the 0452C002, work beautifully at the precise temperatures produced by your printer, fusing black toner powder precisely and offering clear results.