With the simple operation of replacing the chip, you can save 75% of the money than buying the original HP 414 toner cartridge. Installation Guide: v4ink Replacement for HP 414A W2020A 414X W2020X 414 Toner Cartridge. 1-Suitable for HP Color Laserjet Pro M454dw M454dn M479fdw M479fdn Printer. 2-Notice: Please note that the v4ink 414 cartridge will come WITHOUT chip.Make sure the color of your chip from the old cartridge is the same color as the new cartridge