This toner cartridges are engineered as high-yield replacements for HP's 218X and 218A toner series, designed specifically for HP Color LaserJet Pro models like MFP 3301sdw/3301fdw/3301cdw/3201dw. This 4-pack includes black, cyan, magenta, and yellow cartridges, all equipped with smart chips to ensure seamless compatibility with HP printers. Pros include exceptional print yield, cost-efficiency, and reliable color quality. The black toner boasts an impressive high-yield capacity (up to 1,300 pages), while the color cartridges deliver around 1,200 pages each; ideal for businesses with heavy printing demands. The cartridges are pre-installed with chips, eliminating the need for manual chip transfers, which can be a complex task with generic replacements.