Package includes: 1 x CF410A Black, 1 x CF411A Cyan, 1 x CF412A Yellow, 1 x CF413A Magenta.Page yield:Up to 2,300 pages per black toner cartridge and 2,300 pages per color toner cartridge at 5% coverage.*Tips: Please confirm your printer model#.Printer Compatibility : M452 Series PrinterLaserJet Pro M452dn PrinterLaserJet Pro M452nw PrinterLaserJet Pro M452dw PrinterM477 Series PrinterLaserJet Pro MFP M477fdn PrinterLaserJet Pro MFP M477fdw PrinterLaserJet Pro MFP M477fnw PrinterM377 Series PrinterLaserJet Pro MFP M377dw PrinterInstallation Instruction: 1. Before use, shake the new toner cartridge horizontally for several times to make sure the toner powder is well distributed. 2. Pull out the black paper cover out of the toner cartridge's body in the direction of the arrow shown. 3. Pull out the sealing tape at a slow and constant speed as to prevent the tape from breaking midway. 4. Carefully install the new toner cartridge into your printer and you are all set to print.