· With Chip: These 218X toner cartridges 4 pack are already installed with chips, No need to transfer oem 218X toner chip to them· Package contents: 218x toner cartridges 4 pack high yield compatible for mfp 3301fdw toner cartridges· High page yield: 3,200 (black) and 2,500 (color) based on 5% coverage (letter/a4)· Compatible for printers: color pro mfp 3301fdw 3301cdw 3301sdw printer, color pro 3201dw printer· High quality: Cool Toner 218x 218a toner compatible for 218x 218a toner cartridges set committed you with consistency, vibrant color, sharp printin