Smart Ink Compatible 206A Black Toner Cartridge 2 Pack Built-in CHIPThis two-pack of black toner cartridges is designed for specific HP Color LaserJet Pro printers. Each cartridge includes a built-in smart chip for easy installation and compatibility detection. The high-yield cartridges can print up to 1,350 pages per cartridge at 5% coverage on A4 paper. The package includes both cartridges, a user guideline, and a warranty certificate. Customer support is available 24 hours a day, 7 days a week with quick response times. For best results, firmware updates should be disabled on the printer before poundsProductdimensions3.5 x 7.1 x 12.6 inches