Produced by Canon themselves, to their own exacting standards, this genuine 041H black toner cartridge offers users of compatible laser printers exceptional value. With an estimated yield of 20,000 prints (each looking as good as the last) you will be glad you invested in Canon quality with this 0453C002 toner cartridge.You can use this original Canon high capacity toner cartridge in the popular i-SENSYS LBP-312x mono laser printer. Genuine Canon toner cartridges, like the 041H BK, work beautifully at the precise temperatures produced by your printer, fusing black toner powder precisely and offering clear results.