Products Name: (With Chip)RapmininK Replacement for HP 414A Black W2020A 414X W2020X Toner Cartridge for use with HP Color Pro MFP M479fdw M479fdn M479dw M479dn, Pro M454dn M454 M454dw Printers - 4 PackCompatible W2020A W2021A W2022A W2023A used for the following printers:HP Color Pro MFP M479dw M479dn Printer HP Color Pro MFP M479fdn M479 Printer HP Color Pro MFP M479fdw Printer HP Color Pro M454dn M454 Printer HP Color Pro M454dw PrinterRapmininK Replacement HP 414A Toner Cartridge Simple Installation:Step-1Unpack the new toner cartridge Step-2 Gently shake the cartridge from side to side to distribute the toner evenly Step-3 Take off the protective paper Step-4 Pull out the sealing tape completely Step-5 Remove the orange plastic shield and install the cartridge into the printer.Warm prompt: 1. The item is compatible not OEM, if you want OEM, please don’t buy it 2. Please confirm your printer model before purchase 3. Please be sure to pull out sealing tape completely before using.